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312434112 = 26310914929
BaseRepresentation
bin10010100111110…
…101110111000000
3210202220022000210
4102213311313000
51114440342422
651000314120
710512434424
oct2247656700
9722808023
10312434112
111503a7411
1288772940
134c962573
142d6ccb84
151c66810c
hex129f5dc0

312434112 has 56 divisors (see below), whose sum is σ = 834288400. Its totient is φ = 103182336.

The previous prime is 312434071. The next prime is 312434113. The reversal of 312434112 is 211434213.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312434113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13464 + ... + 28392.

Almost surely, 2312434112 is an apocalyptic number.

312434112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312434112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417144200).

312434112 is an abundant number, since it is smaller than the sum of its proper divisors (521854288).

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

312434112 is a wasteful number, since it uses less digits than its factorization.

312434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053 (or 15043 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 312434112 is about 17675.8058373586. The cubic root of 312434112 is about 678.5567081170.

Adding to 312434112 its reverse (211434213), we get a palindrome (523868325).

The spelling of 312434112 in words is "three hundred twelve million, four hundred thirty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 109 192 218 327 436 654 872 1308 1744 2616 3488 5232 6976 10464 14929 20928 29858 44787 59716 89574 119432 179148 238864 358296 477728 716592 955456 1433184 1627261 2866368 3254522 4881783 6509044 9763566 13018088 19527132 26036176 39054264 52072352 78108528 104144704 156217056 312434112