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312401012 = 227113132719
BaseRepresentation
bin10010100111101…
…101110001110100
3210202211121121212
4102213231301310
51114433313022
650555500552
710512236060
oct2247556164
9722747555
10312401012
11150384560
1288757758
134c950491
142d6c0aa0
151c65d3e2
hex129edc74

312401012 has 48 divisors (see below), whose sum is σ = 703610880. Its totient is φ = 117784800.

The previous prime is 312401009. The next prime is 312401039. The reversal of 312401012 is 210104213.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6812 + ... + 25907.

It is an arithmetic number, because the mean of its divisors is an integer number (14658560).

Almost surely, 2312401012 is an apocalyptic number.

It is an amenable number.

312401012 is an abundant number, since it is smaller than the sum of its proper divisors (391209868).

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

312401012 is a wasteful number, since it uses less digits than its factorization.

312401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32772 (or 32770 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 312401012 is about 17674.8695044688. The cubic root of 312401012 is about 678.5327446429.

Adding to 312401012 its reverse (210104213), we get a palindrome (522505225).

The spelling of 312401012 in words is "three hundred twelve million, four hundred one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 31 44 62 77 124 154 217 308 341 434 682 868 1364 2387 4774 9548 32719 65438 130876 229033 359909 458066 719818 916132 1014289 1439636 2028578 2519363 4057156 5038726 7100023 10077452 11157179 14200046 22314358 28400092 44628716 78100253 156200506 312401012