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80539072 = 261258423
BaseRepresentation
bin1001100110011…
…10110111000000
312121112210211121
410303032313000
5131104222242
611554122024
71665366535
oct463166700
9177483747
1080539072
114150a219
1222b80314
13138bb873
14a9a6d8c
15710d667
hex4ccedc0

80539072 has 14 divisors (see below), whose sum is σ = 159819848. Its totient is φ = 40269504.

The previous prime is 80539057. The next prime is 80539087. The reversal of 80539072 is 27093508.

It is an interprime number because it is at equal distance from previous prime (80539057) and next prime (80539087).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 629148 + ... + 629275.

Almost surely, 280539072 is an apocalyptic number.

It is an amenable number.

80539072 is a deficient number, since it is larger than the sum of its proper divisors (79280776).

80539072 is a wasteful number, since it uses less digits than its factorization.

80539072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258435 (or 1258425 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 80539072 is about 8974.3563557505. The cubic root of 80539072 is about 431.8526017482.

The spelling of 80539072 in words is "eighty million, five hundred thirty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 1258423 2516846 5033692 10067384 20134768 40269536 80539072