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189602992 = 2420835689
BaseRepresentation
bin10110100110100…
…01110010110000
3111012202211102001
423103101302300
5342014243432
630451503344
74461412255
oct1323216260
9435684361
10189602992
1198031597
12535b7b54
1330386b27
141b27742c
15119a39e7
hexb4d1cb0

189602992 has 20 divisors (see below), whose sum is σ = 367596760. Its totient is φ = 94739328.

The previous prime is 189602977. The next prime is 189603041. The reversal of 189602992 is 299206981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30484 + ... + 36172.

It is an arithmetic number, because the mean of its divisors is an integer number (18379838).

Almost surely, 2189602992 is an apocalyptic number.

It is an amenable number.

189602992 is a deficient number, since it is larger than the sum of its proper divisors (177993768).

189602992 is a wasteful number, since it uses less digits than its factorization.

189602992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780 (or 7774 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 189602992 is about 13769.6402276893. The cubic root of 189602992 is about 574.4890149727.

It can be divided in two parts, 18960 and 2992, that added together give a cube (21952 = 283).

The spelling of 189602992 in words is "one hundred eighty-nine million, six hundred two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 2083 4166 5689 8332 11378 16664 22756 33328 45512 91024 11850187 23700374 47400748 94801496 189602992