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80445264 = 2431675943
BaseRepresentation
bin1001100101101…
…11111101010000
312121101001011020
410302313331100
5131043222024
611552115440
71664526204
oct462677520
9177331136
1080445264
1141455799
1222b35b80
1313887c63
14a980b04
1570e0979
hex4cb7f50

80445264 has 20 divisors (see below), whose sum is σ = 207817056. Its totient is φ = 26815072.

The previous prime is 80445251. The next prime is 80445311. The reversal of 80445264 is 46254408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837924 + ... + 838019.

Almost surely, 280445264 is an apocalyptic number.

It is an amenable number.

80445264 is an abundant number, since it is smaller than the sum of its proper divisors (127371792).

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

80445264 is a wasteful number, since it uses less digits than its factorization.

80445264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675954 (or 1675948 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 80445264 is about 8969.1283857463. The cubic root of 80445264 is about 431.6848696295.

The spelling of 80445264 in words is "eighty million, four hundred forty-five thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1675943 3351886 5027829 6703772 10055658 13407544 20111316 26815088 40222632 80445264