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80682312 = 2334996737
BaseRepresentation
bin1001100111100…
…01110101001000
312121211002022210
410303301311020
5131123313222
612001145120
71666534254
oct463616510
9177732283
1080682312
11415a78a7
122302b1a0
131393bb19
14aa03264
15713ad0c
hex4cf1d48

80682312 has 32 divisors (see below), whose sum is σ = 202140000. Its totient is φ = 26836224.

The previous prime is 80682307. The next prime is 80682313. The reversal of 80682312 is 21328608.

It is a self number, because there is not a number n which added to its sum of digits gives 80682312.

It is not an unprimeable number, because it can be changed into a prime (80682313) 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 7 ways as a sum of consecutive naturals, for example, 8608 + ... + 15344.

It is an arithmetic number, because the mean of its divisors is an integer number (6316875).

Almost surely, 280682312 is an apocalyptic number.

It is an amenable number.

80682312 is an abundant number, since it is smaller than the sum of its proper divisors (121457688).

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

80682312 is a wasteful number, since it uses less digits than its factorization.

80682312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245 (or 7241 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 80682312 is about 8982.3333271484. Note that the first 4 decimals coincide. The cubic root of 80682312 is about 432.1084689904.

The spelling of 80682312 in words is "eighty million, six hundred eighty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 499 998 1497 1996 2994 3992 5988 6737 11976 13474 20211 26948 40422 53896 80844 161688 3361763 6723526 10085289 13447052 20170578 26894104 40341156 80682312