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153251142 = 231119112157
BaseRepresentation
bin10010010001001…
…10110101000110
3101200100222001020
421020212311012
5303213014032
623112412010
73540420222
oct1110466506
9350328036
10153251142
1179562940
12433a7006
1325999965
14164d3782
15d6c2b2c
hex9226d46

153251142 has 32 divisors (see below), whose sum is σ = 336144384. Its totient is φ = 46192800.

The previous prime is 153251123. The next prime is 153251149. The reversal of 153251142 is 241152351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153251149) 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, 6528 + ... + 18684.

It is an arithmetic number, because the mean of its divisors is an integer number (10504512).

Almost surely, 2153251142 is an apocalyptic number.

153251142 is an abundant number, since it is smaller than the sum of its proper divisors (182893242).

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

153251142 is a wasteful number, since it uses less digits than its factorization.

153251142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364.

The product of its digits is 1200, while the sum is 24.

The square root of 153251142 is about 12379.4645279996. The cubic root of 153251142 is about 535.1406064763.

The spelling of 153251142 in words is "one hundred fifty-three million, two hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 191 382 573 1146 2101 4202 6303 12157 12606 24314 36471 72942 133727 267454 401181 802362 2321987 4643974 6965961 13931922 25541857 51083714 76625571 153251142