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312234144 = 25319712411
BaseRepresentation
bin10010100111000…
…101000010100000
3210202112010201120
4102213011002200
51114412443034
650552132240
710510642425
oct2247050240
9722463646
10312234144
11150280152
1288697080
134c8c2541
142d679d4c
151c628c49
hex129c50a0

312234144 has 96 divisors (see below), whose sum is σ = 875266560. Its totient is φ = 97171200.

The previous prime is 312234103. The next prime is 312234217. The reversal of 312234144 is 441432213.

312234144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

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

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, 128299 + ... + 130709.

It is an arithmetic number, because the mean of its divisors is an integer number (9117360).

Almost surely, 2312234144 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 312234144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437633280).

312234144 is an abundant number, since it is smaller than the sum of its proper divisors (563032416).

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

312234144 is a wasteful number, since it uses less digits than its factorization.

312234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2506 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 312234144 is about 17670.1483864737. The cubic root of 312234144 is about 678.4119110953.

Adding to 312234144 its reverse (441432213), we get a palindrome (753666357).

The spelling of 312234144 in words is "three hundred twelve million, two hundred thirty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 71 76 96 114 142 152 213 228 284 304 426 456 568 608 852 912 1136 1349 1704 1824 2272 2411 2698 3408 4047 4822 5396 6816 7233 8094 9644 10792 14466 16188 19288 21584 28932 32376 38576 43168 45809 57864 64752 77152 91618 115728 129504 137427 171181 183236 231456 274854 342362 366472 513543 549708 684724 732944 1027086 1099416 1369448 1465888 2054172 2198832 2738896 3252439 4108344 4397664 5477792 6504878 8216688 9757317 13009756 16433376 19514634 26019512 39029268 52039024 78058536 104078048 156117072 312234144