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189668082 = 23171859491
BaseRepresentation
bin10110100111000…
…01101011110010
3111012220010200210
423103201223302
5342023334312
630453124550
74462103112
oct1323415362
9435803623
10189668082
119807648a
1253629756
13303aa646
141b293042
15119b7e3c
hexb4e1af2

189668082 has 16 divisors (see below), whose sum is σ = 401650272. Its totient is φ = 59503680.

The previous prime is 189668071. The next prime is 189668117. The reversal of 189668082 is 280866981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929644 + ... + 929847.

It is an arithmetic number, because the mean of its divisors is an integer number (25103142).

Almost surely, 2189668082 is an apocalyptic number.

189668082 is an abundant number, since it is smaller than the sum of its proper divisors (211982190).

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

189668082 is a wasteful number, since it uses less digits than its factorization.

189668082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859513.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 189668082 is about 13772.0035579432. The cubic root of 189668082 is about 574.5547474301.

The spelling of 189668082 in words is "one hundred eighty-nine million, six hundred sixty-eight thousand, eighty-two".

Divisors: 1 2 3 6 17 34 51 102 1859491 3718982 5578473 11156946 31611347 63222694 94834041 189668082