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189589692 = 22353307971
BaseRepresentation
bin10110100110011…
…10100010111100
3111012202011011110
423103032202330
5342013332232
630451322020
74461325425
oct1323164274
9435664143
10189589692
11980225a6
12535b0310
1330380a66
141b27264c
151199eacc
hexb4ce8bc

189589692 has 48 divisors (see below), whose sum is σ = 452656512. Its totient is φ = 61738560.

The previous prime is 189589691. The next prime is 189589693. The reversal of 189589692 is 296985981.

It is an interprime number because it is at equal distance from previous prime (189589691) and next prime (189589693).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189589691) 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, 194767 + ... + 195737.

It is an arithmetic number, because the mean of its divisors is an integer number (9430344).

Almost surely, 2189589692 is an apocalyptic number.

189589692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189589692 is an abundant number, since it is smaller than the sum of its proper divisors (263066820).

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

189589692 is a wasteful number, since it uses less digits than its factorization.

189589692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1336 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 57.

The square root of 189589692 is about 13769.1572726874. The cubic root of 189589692 is about 574.4755818469.

The spelling of 189589692 in words is "one hundred eighty-nine million, five hundred eighty-nine thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 53 106 159 212 307 318 614 636 921 971 1228 1842 1942 2913 3684 3884 5826 11652 16271 32542 48813 51463 65084 97626 102926 154389 195252 205852 298097 308778 596194 617556 894291 1192388 1788582 3577164 15799141 31598282 47397423 63196564 94794846 189589692