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313424442 = 23279220411
BaseRepresentation
bin10010101011100…
…111101000111010
3210211202121111200
4102223213220322
51120214040232
651033435030
710524030612
oct2253475072
9724677450
10313424442
11150a13471
1288b6ba76
134cc1b266
142d8a9a42
151c7b177c
hex12ae7a3a

313424442 has 24 divisors (see below), whose sum is σ = 687685440. Its totient is φ = 103151880.

The previous prime is 313424417. The next prime is 313424467. The reversal of 313424442 is 244424313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (313424417) and next prime (313424467).

It is a super-2 number, since 2×3134244422 = 196469761686022728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108784 + ... + 111627.

It is an arithmetic number, because the mean of its divisors is an integer number (28653560).

Almost surely, 2313424442 is an apocalyptic number.

313424442 is an abundant number, since it is smaller than the sum of its proper divisors (374260998).

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

313424442 is a wasteful number, since it uses less digits than its factorization.

313424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220498 (or 220495 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 313424442 is about 17703.7973892609. The cubic root of 313424442 is about 679.2728978390.

Adding to 313424442 its reverse (244424313), we get a palindrome (557848755).

The spelling of 313424442 in words is "three hundred thirteen million, four hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 220411 440822 661233 1322466 1983699 3967398 17412469 34824938 52237407 104474814 156712221 313424442