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313102320 = 24351737541
BaseRepresentation
bin10010101010011…
…000111111110000
3210211011020122020
4102222120333300
51120123233240
651022511440
710521216516
oct2252307760
9724136566
10313102320
11150813453
1288a35580
134cb3775b
142d8244b6
151c74b0d0
hex12a98ff0

313102320 has 80 divisors (see below), whose sum is σ = 976357152. Its totient is φ = 83000320.

The previous prime is 313102303. The next prime is 313102327. The reversal of 313102320 is 23201313.

313102320 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 (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 313102320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313102327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37750 + ... + 45290.

Almost surely, 2313102320 is an apocalyptic number.

313102320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488178576).

313102320 is an abundant number, since it is smaller than the sum of its proper divisors (663254832).

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

313102320 is a wasteful number, since it uses less digits than its factorization.

313102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730 (or 7724 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 313102320 is about 17694.6975108364. The cubic root of 313102320 is about 679.0401104766.

Adding to 313102320 its reverse (23201313), we get a palindrome (336303633).

The spelling of 313102320 in words is "three hundred thirteen million, one hundred two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 173 240 346 519 692 865 1038 1384 1730 2076 2595 2768 3460 4152 5190 6920 7541 8304 10380 13840 15082 20760 22623 30164 37705 41520 45246 60328 75410 90492 113115 120656 150820 180984 226230 301640 361968 452460 603280 904920 1304593 1809840 2609186 3913779 5218372 6522965 7827558 10436744 13045930 15655116 19568895 20873488 26091860 31310232 39137790 52183720 62620464 78275580 104367440 156551160 313102320