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80620912 = 245038807
BaseRepresentation
bin1001100111000…
…10110101110000
312121200222002201
410303202311300
5131114332122
611555552544
71666160251
oct463426560
9177628081
1080620912
1141565759
1222bbb754
1313919ba8
14a9c8b28
157127a27
hex4ce2d70

80620912 has 10 divisors (see below), whose sum is σ = 156203048. Its totient is φ = 40310448.

The previous prime is 80620907. The next prime is 80620931. The reversal of 80620912 is 21902608.

It is a happy number.

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, 2519388 + ... + 2519419.

Almost surely, 280620912 is an apocalyptic number.

It is an amenable number.

80620912 is a deficient number, since it is larger than the sum of its proper divisors (75582136).

80620912 is a wasteful number, since it uses less digits than its factorization.

80620912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038815 (or 5038809 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 80620912 is about 8978.9148564846. The cubic root of 80620912 is about 431.9988283004.

The spelling of 80620912 in words is "eighty million, six hundred twenty thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 5038807 10077614 20155228 40310456 80620912