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312314132 = 2213149173233
BaseRepresentation
bin10010100111011…
…000100100010100
3210202200012110002
4102213120210110
51114423023012
650553550432
710511424554
oct2247304424
9722605402
10312314132
11150325259
1288715418
134c91ca80
142d69b164
151c6427c2
hex129d8914

312314132 has 48 divisors (see below), whose sum is σ = 598525200. Its totient is φ = 141739008.

The previous prime is 312314071. The next prime is 312314173. The reversal of 312314132 is 231413213.

It can be written as a sum of positive squares in 8 ways, for example, as 33223696 + 279090436 = 5764^2 + 16706^2 .

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, 1340288 + ... + 1340520.

It is an arithmetic number, because the mean of its divisors is an integer number (12469275).

Almost surely, 2312314132 is an apocalyptic number.

It is an amenable number.

312314132 is a deficient number, since it is larger than the sum of its proper divisors (286211068).

312314132 is a wasteful number, since it uses less digits than its factorization.

312314132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 312314132 is about 17672.4116067955. The cubic root of 312314132 is about 678.4698378999.

Adding to 312314132 its reverse (231413213), we get a palindrome (543727345).

The spelling of 312314132 in words is "three hundred twelve million, three hundred fourteen thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 149 173 233 298 346 466 596 692 932 1937 2249 3029 3874 4498 6058 7748 8996 12116 25777 34717 40309 51554 69434 80618 103108 138868 161236 335101 451321 524017 670202 902642 1048034 1340404 1805284 2096068 6006041 12012082 24024164 78078533 156157066 312314132