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153238764 = 22371824271
BaseRepresentation
bin10010010001000…
…11110011101100
3101200100100001210
421020203303230
5303212120024
623112234420
73540336150
oct1110436354
9350310053
10153238764
1179554608
124339ba10
1325994133
14164cd060
15d6be129
hex9223cec

153238764 has 24 divisors (see below), whose sum is σ = 408636928. Its totient is φ = 43782480.

The previous prime is 153238759. The next prime is 153238769. The reversal of 153238764 is 467832351.

It is an interprime number because it is at equal distance from previous prime (153238759) and next prime (153238769).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (153238769) 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 7 ways as a sum of consecutive naturals, for example, 912052 + ... + 912219.

Almost surely, 2153238764 is an apocalyptic number.

153238764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

153238764 is an abundant number, since it is smaller than the sum of its proper divisors (255398164).

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

153238764 is a wasteful number, since it uses less digits than its factorization.

153238764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824285 (or 1824283 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 153238764 is about 12378.9645770557. The cubic root of 153238764 is about 535.1261984298.

The spelling of 153238764 in words is "one hundred fifty-three million, two hundred thirty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1824271 3648542 5472813 7297084 10945626 12769897 21891252 25539794 38309691 51079588 76619382 153238764