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68564604 = 22317336101
BaseRepresentation
bin1000001011000…
…11011001111100
311210000102221210
410011203121330
5120023031404
610445324420
71461534543
oct405433174
9153012853
1068564604
1135780669
121ab66710
1311288394
14916b15a
156045689
hex416367c

68564604 has 24 divisors (see below), whose sum is σ = 169395408. Its totient is φ = 21510400.

The previous prime is 68564533. The next prime is 68564609. The reversal of 68564604 is 40646586.

It is a super-2 number, since 2×685646042 = 9402209843353632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68564609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 167847 + ... + 168254.

It is an arithmetic number, because the mean of its divisors is an integer number (7058142).

Almost surely, 268564604 is an apocalyptic number.

It is an amenable number.

68564604 is an abundant number, since it is smaller than the sum of its proper divisors (100830804).

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

68564604 is a wasteful number, since it uses less digits than its factorization.

68564604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336125 (or 336123 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 68564604 is about 8280.3746292061. The cubic root of 68564604 is about 409.2920640723.

The spelling of 68564604 in words is "sixty-eight million, five hundred sixty-four thousand, six hundred four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 336101 672202 1008303 1344404 2016606 4033212 5713717 11427434 17141151 22854868 34282302 68564604