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134415680 = 2657232609
BaseRepresentation
bin10000000001100…
…00010101000000
3100100221000122112
420000300111000
5233402300210
621200554452
73221341310
oct1000602500
9310830575
10134415680
1169968543
1239022a28
1321b03609
1413bcd440
15bc01d05
hex8030540

134415680 has 112 divisors (see below), whose sum is σ = 381853440. Its totient is φ = 44064768.

The previous prime is 134415679. The next prime is 134415683. The reversal of 134415680 is 86514431.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134415683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50216 + ... + 52824.

Almost surely, 2134415680 is an apocalyptic number.

134415680 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 134415680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190926720).

134415680 is an abundant number, since it is smaller than the sum of its proper divisors (247437760).

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

134415680 is a wasteful number, since it uses less digits than its factorization.

134415680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 134415680 is about 11593.7776414765. Note that the first 3 decimals coincide. The cubic root of 134415680 is about 512.2515853407.

The spelling of 134415680 in words is "one hundred thirty-four million, four hundred fifteen thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 28 32 35 40 46 56 64 70 80 92 112 115 140 160 161 184 224 230 280 320 322 368 448 460 560 644 736 805 920 1120 1288 1472 1610 1840 2240 2576 2609 3220 3680 5152 5218 6440 7360 10304 10436 12880 13045 18263 20872 25760 26090 36526 41744 51520 52180 60007 73052 83488 91315 104360 120014 146104 166976 182630 208720 240028 292208 300035 365260 417440 420049 480056 584416 600070 730520 834880 840098 960112 1168832 1200140 1461040 1680196 1920224 2100245 2400280 2922080 3360392 3840448 4200490 4800560 5844160 6720784 8400980 9601120 13441568 16801960 19202240 26883136 33603920 67207840 134415680