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164945084 = 22172425663
BaseRepresentation
bin10011101010011…
…01110010111100
3102111101002010012
421311031302330
5314211220314
624211202352
74042003313
oct1165156274
9374332105
10164945084
118511a757
12472a63b8
1328232555
1417c9927a
15e73293e
hex9d4dcbc

164945084 has 12 divisors (see below), whose sum is σ = 305633664. Its totient is φ = 77621184.

The previous prime is 164945057. The next prime is 164945093. The reversal of 164945084 is 480549461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212764 + ... + 1212899.

It is an arithmetic number, because the mean of its divisors is an integer number (25469472).

Almost surely, 2164945084 is an apocalyptic number.

It is an amenable number.

164945084 is a deficient number, since it is larger than the sum of its proper divisors (140688580).

164945084 is a wasteful number, since it uses less digits than its factorization.

164945084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425684 (or 2425682 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 164945084 is about 12843.0947983732. The cubic root of 164945084 is about 548.4197992718.

The spelling of 164945084 in words is "one hundred sixty-four million, nine hundred forty-five thousand, eighty-four".

Divisors: 1 2 4 17 34 68 2425663 4851326 9702652 41236271 82472542 164945084