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312102044 = 2282219491
BaseRepresentation
bin10010100110100…
…100110010011100
3210202021102111222
4102212210302130
51114344231134
650545232512
710506552332
oct2246446234
9722242458
10312102044
1115019a981
1288632738
134c877387
142d643b52
151c5eea2e
hex129a4c9c

312102044 has 12 divisors (see below), whose sum is σ = 546302568. Its totient is φ = 156015600.

The previous prime is 312102023. The next prime is 312102143. The reversal of 312102044 is 440201213.

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 3 ways as a sum of consecutive naturals, for example, 28139 + ... + 37629.

It is an arithmetic number, because the mean of its divisors is an integer number (45525214).

Almost surely, 2312102044 is an apocalyptic number.

It is an amenable number.

312102044 is a deficient number, since it is larger than the sum of its proper divisors (234200524).

312102044 is a wasteful number, since it uses less digits than its factorization.

312102044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17716 (or 17714 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 312102044 is about 17666.4100484507. The cubic root of 312102044 is about 678.3162234448.

Adding to 312102044 its reverse (440201213), we get a palindrome (752303257).

The spelling of 312102044 in words is "three hundred twelve million, one hundred two thousand, forty-four".

Divisors: 1 2 4 8221 9491 16442 18982 32884 37964 78025511 156051022 312102044