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80536528 = 2420112503
BaseRepresentation
bin1001100110011…
…10001111010000
312121112200100101
410303032033100
5131104132103
611554102144
71665356242
oct463161720
9177480311
1080536528
1141508316
1222b7a954
13138ba667
14a9a6092
15710ca1d
hex4cce3d0

80536528 has 20 divisors (see below), whose sum is σ = 156179488. Its totient is φ = 40232160.

The previous prime is 80536523. The next prime is 80536537. The reversal of 80536528 is 82563508.

It is a super-2 number, since 2×805365282 = 12972264684589568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80536523) 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 3 ways as a sum of consecutive naturals, for example, 30925 + ... + 33427.

Almost surely, 280536528 is an apocalyptic number.

It is an amenable number.

80536528 is a deficient number, since it is larger than the sum of its proper divisors (75642960).

80536528 is a wasteful number, since it uses less digits than its factorization.

80536528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 80536528 is about 8974.2146174470. The cubic root of 80536528 is about 431.8480547023.

The spelling of 80536528 in words is "eighty million, five hundred thirty-six thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 2011 2503 4022 5006 8044 10012 16088 20024 32176 40048 5033533 10067066 20134132 40268264 80536528