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312849412 = 22251311603
BaseRepresentation
bin10010101001011…
…011010000000100
3210210200101201021
4102221123100010
51120042140122
651013240524
710516114261
oct2251332004
9723611637
10312849412
11150660437
1288933144
134ca795c5
142d79a268
151c6eb1c7
hex12a5b404

312849412 has 12 divisors (see below), whose sum is σ = 549669456. Its totient is φ = 155801000.

The previous prime is 312849391. The next prime is 312849443. The reversal of 312849412 is 214948213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154798 + ... + 156805.

It is an arithmetic number, because the mean of its divisors is an integer number (45805788).

Almost surely, 2312849412 is an apocalyptic number.

It is an amenable number.

312849412 is a deficient number, since it is larger than the sum of its proper divisors (236820044).

312849412 is a wasteful number, since it uses less digits than its factorization.

312849412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311858 (or 311856 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 312849412 is about 17687.5496324392. The cubic root of 312849412 is about 678.8572299659.

The spelling of 312849412 in words is "three hundred twelve million, eight hundred forty-nine thousand, four hundred twelve".

Divisors: 1 2 4 251 502 1004 311603 623206 1246412 78212353 156424706 312849412