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189042752 = 262953793
BaseRepresentation
bin10110100010010…
…01000001000000
3111011201100220102
423101021001000
5341343332002
630431501532
74453560023
oct1321110100
9434640812
10189042752
1197789688
12533878a8
133021bb22
141b16d1ba
15118e2a02
hexb449040

189042752 has 14 divisors (see below), whose sum is σ = 375131838. Its totient is φ = 94521344.

The previous prime is 189042701. The next prime is 189042767. The reversal of 189042752 is 257240981.

It can be written as a sum of positive squares in only one way, i.e., 184307776 + 4734976 = 13576^2 + 2176^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1476833 + ... + 1476960.

Almost surely, 2189042752 is an apocalyptic number.

It is an amenable number.

189042752 is a deficient number, since it is larger than the sum of its proper divisors (186089086).

189042752 is an equidigital number, since it uses as much as digits as its factorization.

189042752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953805 (or 2953795 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 189042752 is about 13749.2818721561. The cubic root of 189042752 is about 573.9226222753.

The spelling of 189042752 in words is "one hundred eighty-nine million, forty-two thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 2953793 5907586 11815172 23630344 47260688 94521376 189042752