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80253664 = 252507927
BaseRepresentation
bin1001100100010…
…01001011100000
312121000022022221
410302021023200
5131021104124
611544040424
71663100461
oct462111340
9177008287
1080253664
1141334847
1222a63114
131381b99a
14a930d68
1570a3ce4
hex4c892e0

80253664 has 12 divisors (see below), whose sum is σ = 157999464. Its totient is φ = 40126816.

The previous prime is 80253653. The next prime is 80253673. The reversal of 80253664 is 46635208.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253932 + ... + 1253995.

It is an arithmetic number, because the mean of its divisors is an integer number (13166622).

Almost surely, 280253664 is an apocalyptic number.

It is an amenable number.

80253664 is a deficient number, since it is larger than the sum of its proper divisors (77745800).

80253664 is a wasteful number, since it uses less digits than its factorization.

80253664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507937 (or 2507929 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 80253664 is about 8958.4409357879. The cubic root of 80253664 is about 431.3418762729.

The spelling of 80253664 in words is "eighty million, two hundred fifty-three thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 2507927 5015854 10031708 20063416 40126832 80253664