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80827672 = 2319643827
BaseRepresentation
bin1001101000101…
…01010100011000
312122002110201111
410310111110120
5131142441142
612004230104
72001011122
oct464252430
9178073644
1080827672
1141697032
122309b334
1313990033
14aa40212
157168e17
hex4d15518

80827672 has 32 divisors (see below), whose sum is σ = 159969600. Its totient is φ = 38181024.

The previous prime is 80827667. The next prime is 80827697. The reversal of 80827672 is 27672808.

It is a super-2 number, since 2×808276722 = 13066225121879168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 97323 + ... + 98149.

It is an arithmetic number, because the mean of its divisors is an integer number (4999050).

Almost surely, 280827672 is an apocalyptic number.

It is an amenable number.

80827672 is a deficient number, since it is larger than the sum of its proper divisors (79141928).

80827672 is a wasteful number, since it uses less digits than its factorization.

80827672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 80827672 is about 8990.4211247305. The cubic root of 80827672 is about 432.3678137473.

The spelling of 80827672 in words is "eighty million, eight hundred twenty-seven thousand, six hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 152 643 827 1286 1654 2572 3308 5144 6616 12217 15713 24434 31426 48868 62852 97736 125704 531761 1063522 2127044 4254088 10103459 20206918 40413836 80827672