Search a number
-
+
137238368 = 2519225721
BaseRepresentation
bin10000010111000…
…01011101100000
3100120020102122112
420023201131200
5240113111433
621341254452
73254335601
oct1013413540
9316212575
10137238368
1170516243
1239b64428
1322581347
1414325da8
15c0ad348
hex82e1760

137238368 has 24 divisors (see below), whose sum is σ = 284409720. Its totient is φ = 65007360.

The previous prime is 137238347. The next prime is 137238371. The reversal of 137238368 is 863832731.

137238368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 112253 + ... + 113468.

It is an arithmetic number, because the mean of its divisors is an integer number (11850405).

Almost surely, 2137238368 is an apocalyptic number.

It is an amenable number.

137238368 is an abundant number, since it is smaller than the sum of its proper divisors (147171352).

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

137238368 is a wasteful number, since it uses less digits than its factorization.

137238368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225750 (or 225742 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 137238368 is about 11714.8780616787. The cubic root of 137238368 is about 515.8124831928.

The spelling of 137238368 in words is "one hundred thirty-seven million, two hundred thirty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 225721 451442 902884 1805768 3611536 4288699 7223072 8577398 17154796 34309592 68619184 137238368