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134894880 = 25325113829
BaseRepresentation
bin10000000101001…
…01010100100000
3100101211100222200
420002211110200
5234013114010
621215133200
73225405351
oct1002452440
9311740880
10134894880
116a16557a
1239214200
1321c40773
1413cb5d28
15bc98cc0
hex80a5520

134894880 has 144 divisors (see below), whose sum is σ = 464962680. Its totient is φ = 35610624.

The previous prime is 134894873. The next prime is 134894899. The reversal of 134894880 is 88498431.

It can be written as a sum of positive squares in 4 ways, for example, as 71978256 + 62916624 = 8484^2 + 7932^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-5 number, since 5×1348948805 (a number of 42 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162306 + ... + 163134.

Almost surely, 2134894880 is an apocalyptic number.

134894880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134894880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232481340).

134894880 is an abundant number, since it is smaller than the sum of its proper divisors (330067800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134894880 is a wasteful number, since it uses less digits than its factorization.

134894880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 134894880 is about 11614.4255131281. The cubic root of 134894880 is about 512.8595993011.

The spelling of 134894880 in words is "one hundred thirty-four million, eight hundred ninety-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 113 120 144 160 180 226 240 288 339 360 452 480 565 678 720 829 904 1017 1130 1356 1440 1658 1695 1808 2034 2260 2487 2712 3316 3390 3616 4068 4145 4520 4974 5085 5424 6632 6780 7461 8136 8290 9040 9948 10170 10848 12435 13264 13560 14922 16272 16580 18080 19896 20340 24870 26528 27120 29844 32544 33160 37305 39792 40680 49740 54240 59688 66320 74610 79584 81360 93677 99480 119376 132640 149220 162720 187354 198960 238752 281031 298440 374708 397920 468385 562062 596880 749416 843093 936770 1124124 1193760 1405155 1498832 1686186 1873540 2248248 2810310 2997664 3372372 3747080 4215465 4496496 5620620 6744744 7494160 8430930 8992992 11241240 13489488 14988320 16861860 22482480 26978976 33723720 44964960 67447440 134894880