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189037152 = 253472931
BaseRepresentation
bin10110100010001…
…11101001100000
3111011201002020000
423101013221200
5341343142102
630431420000
74453534503
oct1321075140
9434632200
10189037152
1197785457
1253384600
1330219405
141b16b13a
15118e101c
hexb447a60

189037152 has 60 divisors (see below), whose sum is σ = 555960636. Its totient is φ = 63011520.

The previous prime is 189037151. The next prime is 189037169. The reversal of 189037152 is 251730981.

It is a super-2 number, since 2×1890371522 = 71470089672542208, which contains 22 as substring.

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 (189037151) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33874 + ... + 39057.

Almost surely, 2189037152 is an apocalyptic number.

189037152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189037152 is an abundant number, since it is smaller than the sum of its proper divisors (366923484).

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

189037152 is an equidigital number, since it uses as much as digits as its factorization.

189037152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72953 (or 72936 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 189037152 is about 13749.0782236483. The cubic root of 189037152 is about 573.9169551296.

The spelling of 189037152 in words is "one hundred eighty-nine million, thirty-seven thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 72931 145862 218793 291724 437586 583448 656379 875172 1166896 1312758 1750344 1969137 2333792 2625516 3500688 3938274 5251032 5907411 7001376 7876548 10502064 11814822 15753096 21004128 23629644 31506192 47259288 63012384 94518576 189037152