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312770082 = 2352128347
BaseRepresentation
bin10010101001000…
…111111000100010
3210210112100220010
4102221013320202
51120032120312
651011425350
710515334062
oct2251077042
9723470803
10312770082
11150606879
12888b5256
134ca4c471
142d7793a2
151c6d293c
hex12a47e22

312770082 has 8 divisors (see below), whose sum is σ = 625540176. Its totient is φ = 104256692.

The previous prime is 312770057. The next prime is 312770083. The reversal of 312770082 is 280077213.

It is a sphenic number, since it is the product of 3 distinct primes.

312770082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (312770083) 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 3 ways as a sum of consecutive naturals, for example, 26064168 + ... + 26064179.

It is an arithmetic number, because the mean of its divisors is an integer number (78192522).

Almost surely, 2312770082 is an apocalyptic number.

312770082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312770082 is a wasteful number, since it uses less digits than its factorization.

312770082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52128352.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 312770082 is about 17685.3069523828. The cubic root of 312770082 is about 678.7998452791.

The spelling of 312770082 in words is "three hundred twelve million, seven hundred seventy thousand, eighty-two".

Divisors: 1 2 3 6 52128347 104256694 156385041 312770082