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312239472 = 2436599871
BaseRepresentation
bin10010100111000…
…110010101110000
3210202112102000220
4102213012111300
51114413130342
650552213040
710510664106
oct2247062560
9722472026
10312239472
11150284156
128869a180
134c8c4aac
142d67bc76
151c62a5ec
hex129c6570

312239472 has 40 divisors (see below), whose sum is σ = 807924480. Its totient is φ = 103911360.

The previous prime is 312239437. The next prime is 312239489. The reversal of 312239472 is 274932213.

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 in 7 ways as a sum of consecutive naturals, for example, 26697 + ... + 36567.

It is an arithmetic number, because the mean of its divisors is an integer number (20198112).

Almost surely, 2312239472 is an apocalyptic number.

It is an amenable number.

312239472 is an abundant number, since it is smaller than the sum of its proper divisors (495685008).

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

312239472 is a wasteful number, since it uses less digits than its factorization.

312239472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541 (or 10535 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 312239472 is about 17670.2991485713. The cubic root of 312239472 is about 678.4157699068.

The spelling of 312239472 in words is "three hundred twelve million, two hundred thirty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 659 1318 1977 2636 3954 5272 7908 9871 10544 15816 19742 29613 31632 39484 59226 78968 118452 157936 236904 473808 6504989 13009978 19514967 26019956 39029934 52039912 78059868 104079824 156119736 312239472