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189530802 = 23229993511
BaseRepresentation
bin10110100110000…
…00001010110010
3111012122011101100
423103000022302
5342004441202
630450145230
74460661636
oct1323001262
9435564340
10189530802
1197a9232a
1253582216
1330360006
141b258dc6
151198c41c
hexb4c02b2

189530802 has 24 divisors (see below), whose sum is σ = 410904000. Its totient is φ = 63137880.

The previous prime is 189530801. The next prime is 189530827. The reversal of 189530802 is 208035981.

It is not an unprimeable number, because it can be changed into a prime (189530801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52227 + ... + 55737.

It is an arithmetic number, because the mean of its divisors is an integer number (17121000).

Almost surely, 2189530802 is an apocalyptic number.

189530802 is an abundant number, since it is smaller than the sum of its proper divisors (221373198).

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

189530802 is a wasteful number, since it uses less digits than its factorization.

189530802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6515 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 189530802 is about 13767.0186314975. The cubic root of 189530802 is about 574.4160948391.

The spelling of 189530802 in words is "one hundred eighty-nine million, five hundred thirty thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 2999 3511 5998 7022 8997 10533 17994 21066 26991 31599 53982 63198 10529489 21058978 31588467 63176934 94765401 189530802