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156053532 = 22313004461
BaseRepresentation
bin10010100110100…
…11000000011100
3101212122100012110
421103103000130
5304422203112
623252434020
73603301365
oct1123230034
9355570173
10156053532
11800a7368
1244318910
132643b38b
1416a22b6c
15da7813c
hex94d301c

156053532 has 12 divisors (see below), whose sum is σ = 364124936. Its totient is φ = 52017840.

The previous prime is 156053497. The next prime is 156053537. The reversal of 156053532 is 235350651.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 156053532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156053537) by changing a digit.

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, 6502219 + ... + 6502242.

Almost surely, 2156053532 is an apocalyptic number.

156053532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156053532 is an abundant number, since it is smaller than the sum of its proper divisors (208071404).

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

156053532 is a wasteful number, since it uses less digits than its factorization.

156053532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004468 (or 13004466 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 156053532 is about 12492.1388080665. The cubic root of 156053532 is about 538.3828298372.

The spelling of 156053532 in words is "one hundred fifty-six million, fifty-three thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 13004461 26008922 39013383 52017844 78026766 156053532