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155930156 = 22232591249
BaseRepresentation
bin10010100101101…
…00111000101100
3101212102001221222
421102310320230
5304404231111
623250042512
73602245604
oct1122647054
9355361858
10155930156
11800226a8
1244279438
13263c7185
14169cdc04
15da517db
hex94b4e2c

155930156 has 36 divisors (see below), whose sum is σ = 290325000. Its totient is φ = 73252608.

The previous prime is 155930153. The next prime is 155930189. The reversal of 155930156 is 651039551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (155930153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124220 + ... + 125468.

Almost surely, 2155930156 is an apocalyptic number.

It is an amenable number.

155930156 is a deficient number, since it is larger than the sum of its proper divisors (134394844).

155930156 is a wasteful number, since it uses less digits than its factorization.

155930156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 155930156 is about 12487.1996860785. The cubic root of 155930156 is about 538.2409105191.

The spelling of 155930156 in words is "one hundred fifty-five million, nine hundred thirty thousand, one hundred fifty-six".

Divisors: 1 2 4 23 46 59 92 118 236 529 1058 1249 1357 2116 2498 2714 4996 5428 28727 31211 57454 62422 73691 114908 124844 147382 294764 660721 1321442 1694893 2642884 3389786 6779572 38982539 77965078 155930156