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151591068 = 22332361027
BaseRepresentation
bin10010000100100…
…01100010011100
3101120020121212000
421002101202130
5302301403233
623013042300
73520334316
oct1102214234
9346217760
10151591068
1178629682
1242926390
1325538175
14161c07b6
15d495d13
hex909189c

151591068 has 48 divisors (see below), whose sum is σ = 410108160. Its totient is φ = 48332592.

The previous prime is 151591067. The next prime is 151591079. The reversal of 151591068 is 860195151.

151591068 is a `hidden beast` number, since 1 + 5 + 1 + 591 + 0 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151591061) 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, 28030 + ... + 32997.

It is an arithmetic number, because the mean of its divisors is an integer number (8543920).

Almost surely, 2151591068 is an apocalyptic number.

151591068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

151591068 is an abundant number, since it is smaller than the sum of its proper divisors (258517092).

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

151591068 is a wasteful number, since it uses less digits than its factorization.

151591068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61063 (or 61055 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 151591068 is about 12312.2324539460. The cubic root of 151591068 is about 533.2013056871.

The spelling of 151591068 in words is "one hundred fifty-one million, five hundred ninety-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 207 276 414 621 828 1242 2484 61027 122054 183081 244108 366162 549243 732324 1098486 1403621 1647729 2196972 2807242 3295458 4210863 5614484 6590916 8421726 12632589 16843452 25265178 37897767 50530356 75795534 151591068