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155730804 = 22361792693
BaseRepresentation
bin10010100100001…
…00001101110100
3101212000221111120
421102010031310
5304331341204
623241503540
73600455445
oct1122041564
9355027446
10155730804
117a9a6949
12441a1bb0
1326357508
141697b2cc
15da126d9
hex9484374

155730804 has 48 divisors (see below), whose sum is σ = 374142720. Its totient is φ = 50394240.

The previous prime is 155730803. The next prime is 155730877. The reversal of 155730804 is 408037551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155730803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56482 + ... + 59174.

It is an arithmetic number, because the mean of its divisors is an integer number (7794640).

Almost surely, 2155730804 is an apocalyptic number.

It is an amenable number.

155730804 is an abundant number, since it is smaller than the sum of its proper divisors (218411916).

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

155730804 is a wasteful number, since it uses less digits than its factorization.

155730804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 155730804 is about 12479.2148791501. The cubic root of 155730804 is about 538.0114377782.

The spelling of 155730804 in words is "one hundred fifty-five million, seven hundred thirty thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 61 79 122 158 183 237 244 316 366 474 732 948 2693 4819 5386 8079 9638 10772 14457 16158 19276 28914 32316 57828 164273 212747 328546 425494 492819 638241 657092 850988 985638 1276482 1971276 2552964 12977567 25955134 38932701 51910268 77865402 155730804