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189100375 = 531639281
BaseRepresentation
bin10110100010101…
…11000101010111
3111011211021221121
423101113011113
5341402203000
630433024411
74454220022
oct1321270527
9434737847
10189100375
1197818a02
12533b5107
133023c119
141b1861b9
1511904b1a
hexb457157

189100375 has 16 divisors (see below), whose sum is σ = 237470688. Its totient is φ = 150336000.

The previous prime is 189100357. The next prime is 189100397. The reversal of 189100375 is 573001981.

It is a happy number.

It is not a de Polignac number, because 189100375 - 217 = 188969303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189100375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15735 + ... + 25015.

It is an arithmetic number, because the mean of its divisors is an integer number (14841918).

Almost surely, 2189100375 is an apocalyptic number.

189100375 is a deficient number, since it is larger than the sum of its proper divisors (48370313).

189100375 is an equidigital number, since it uses as much as digits as its factorization.

189100375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459 (or 9449 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 189100375 is about 13751.3772037567. The cubic root of 189100375 is about 573.9809296922.

The spelling of 189100375 in words is "one hundred eighty-nine million, one hundred thousand, three hundred seventy-five".

Divisors: 1 5 25 125 163 815 4075 9281 20375 46405 232025 1160125 1512803 7564015 37820075 189100375