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313412320 = 25513532843
BaseRepresentation
bin10010101011100…
…100101011100000
3210211201222212201
4102223210223200
51120213143240
651033302544
710523650354
oct2253445340
9724658781
10313412320
11150a05351
1288b64a54
134cc158a0
142d8a5464
151c7acd9a
hex12ae4ae0

313412320 has 96 divisors (see below), whose sum is σ = 812724192. Its totient is φ = 113498112.

The previous prime is 313412303. The next prime is 313412321. The reversal of 313412320 is 23214313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313412321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108819 + ... + 111661.

It is an arithmetic number, because the mean of its divisors is an integer number (8465877).

Almost surely, 2313412320 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 313412320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406362096).

313412320 is an abundant number, since it is smaller than the sum of its proper divisors (499311872).

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

313412320 is a wasteful number, since it uses less digits than its factorization.

313412320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313412320 is about 17703.4550300217. The cubic root of 313412320 is about 679.2641405425.

Adding to 313412320 its reverse (23214313), we get a palindrome (336626633).

The spelling of 313412320 in words is "three hundred thirteen million, four hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 53 65 80 104 106 130 160 208 212 260 265 416 424 520 530 689 848 1040 1060 1378 1696 2080 2120 2756 2843 3445 4240 5512 5686 6890 8480 11024 11372 13780 14215 22048 22744 27560 28430 36959 45488 55120 56860 73918 90976 110240 113720 147836 150679 184795 227440 295672 301358 369590 454880 591344 602716 739180 753395 1182688 1205432 1478360 1506790 1958827 2410864 2956720 3013580 3917654 4821728 5913440 6027160 7835308 9794135 12054320 15670616 19588270 24108640 31341232 39176540 62682464 78353080 156706160 313412320