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313244244 = 2232174871051
BaseRepresentation
bin10010101010111…
…011101001010100
3210211102110022200
4102222323221110
51120142303434
651025524500
710522350345
oct2252735124
9724373280
10313244244
11150900045
1288aa3730
134cb87231
142d8600cc
151c778199
hex12abba54

313244244 has 72 divisors (see below), whose sum is σ = 840909888. Its totient is φ = 97977600.

The previous prime is 313244219. The next prime is 313244263. The reversal of 313244244 is 442442313.

It is a happy number.

313244244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297519 + ... + 298569.

It is an arithmetic number, because the mean of its divisors is an integer number (11679304).

Almost surely, 2313244244 is an apocalyptic number.

313244244 is a gapful number since it is divisible by the number (34) 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 313244244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420454944).

313244244 is an abundant number, since it is smaller than the sum of its proper divisors (527665644).

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

313244244 is a wasteful number, since it uses less digits than its factorization.

313244244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1560 counting only the distinct ones).

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

The square root of 313244244 is about 17698.7074104297. The cubic root of 313244244 is about 679.1426941208.

Adding to 313244244 its reverse (442442313), we get a palindrome (755686557).

The spelling of 313244244 in words is "three hundred thirteen million, two hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 487 612 974 1051 1461 1948 2102 2922 3153 4204 4383 5844 6306 8279 8766 9459 12612 16558 17532 17867 18918 24837 33116 35734 37836 49674 53601 71468 74511 99348 107202 149022 160803 214404 298044 321606 511837 643212 1023674 1535511 2047348 3071022 4606533 6142044 8701229 9213066 17402458 18426132 26103687 34804916 52207374 78311061 104414748 156622122 313244244