Search a number
-
+
155264988 = 22331417379
BaseRepresentation
bin10010100000100…
…10011111011100
3101211011021112010
421100102133130
5304221434423
623223511220
73563505414
oct1120223734
9354137463
10155264988
117a70897a
1243bb8510
1326223498
1416899644
15d96e693
hex94127dc

155264988 has 24 divisors (see below), whose sum is σ = 373972480. Its totient is φ = 50085360.

The previous prime is 155264951. The next prime is 155265023. The reversal of 155264988 is 889462551.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 208318 + ... + 209061.

Almost surely, 2155264988 is an apocalyptic number.

It is an amenable number.

155264988 is an abundant number, since it is smaller than the sum of its proper divisors (218707492).

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

155264988 is a wasteful number, since it uses less digits than its factorization.

155264988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417417 (or 417415 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 155264988 is about 12460.5372275837. The cubic root of 155264988 is about 537.4744756583.

The spelling of 155264988 in words is "one hundred fifty-five million, two hundred sixty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 417379 834758 1252137 1669516 2504274 5008548 12938749 25877498 38816247 51754996 77632494 155264988