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134044240 = 24511198017
BaseRepresentation
bin1111111110101…
…01101001010000
3100100020011010111
413333111221100
5233303403430
621145011104
73215233351
oct777255120
9310204114
10134044240
1169734470
1238a83a94
1321a03525
1413b33d28
15bb7bc2a
hex7fd5a50

134044240 has 80 divisors (see below), whose sum is σ = 357923520. Its totient is φ = 46172160.

The previous prime is 134044223. The next prime is 134044241. The reversal of 134044240 is 42440431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134044241) 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, 12712 + ... + 20728.

It is an arithmetic number, because the mean of its divisors is an integer number (4474044).

Almost surely, 2134044240 is an apocalyptic number.

134044240 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 134044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178961760).

134044240 is an abundant number, since it is smaller than the sum of its proper divisors (223879280).

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

134044240 is a wasteful number, since it uses less digits than its factorization.

134044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060 (or 8054 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 134044240 is about 11577.7476220550. The cubic root of 134044240 is about 511.7793034832.

Adding to 134044240 its reverse (42440431), we get a palindrome (176484671).

The spelling of 134044240 in words is "one hundred thirty-four million, forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 38 40 44 55 76 80 88 95 110 152 176 190 209 220 304 380 418 440 760 836 880 1045 1520 1672 2090 3344 4180 8017 8360 16034 16720 32068 40085 64136 80170 88187 128272 152323 160340 176374 304646 320680 352748 440935 609292 641360 705496 761615 881870 1218584 1410992 1523230 1675553 1763740 2437168 3046460 3351106 3527480 6092920 6702212 7054960 8377765 12185840 13404424 16755530 26808848 33511060 67022120 134044240