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312113032 = 23711895693
BaseRepresentation
bin10010100110100…
…111011110001000
3210202021222120221
4102212213132020
51114400104112
650545355424
710506626350
oct2246473610
9722258527
10312113032
111501a8160
1288638b74
134c87c38a
142d647b60
151c602e07
hex129a7788

312113032 has 64 divisors (see below), whose sum is σ = 737942400. Its totient is φ = 120215040.

The previous prime is 312113029. The next prime is 312113071. The reversal of 312113032 is 230311213.

It is a junction number, because it is equal to n+sod(n) for n = 312112997 and 312113015.

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, 51978 + ... + 57670.

It is an arithmetic number, because the mean of its divisors is an integer number (11530350).

Almost surely, 2312113032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312113032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368971200).

312113032 is an abundant number, since it is smaller than the sum of its proper divisors (425829368).

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

312113032 is a wasteful number, since it uses less digits than its factorization.

312113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 5802 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 312113032 is about 17666.7210313629. The cubic root of 312113032 is about 678.3241837164.

Adding to 312113032 its reverse (230311213), we get a palindrome (542424245).

It can be divided in two parts, 31211 and 3032, that added together give a palindrome (34243).

The spelling of 312113032 in words is "three hundred twelve million, one hundred thirteen thousand, thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 89 154 178 308 356 616 623 712 979 1246 1958 2492 3916 4984 5693 6853 7832 11386 13706 22772 27412 39851 45544 54824 62623 79702 125246 159404 250492 318808 438361 500984 506677 876722 1013354 1753444 2026708 3506888 3546739 4053416 5573447 7093478 11146894 14186956 22293788 28373912 39014129 44587576 78028258 156056516 312113032