Search a number
-
+
344881764 = 223289107641
BaseRepresentation
bin10100100011100…
…111101001100100
3220000221210211200
4110203213221210
51201242204024
654120002500
711355306123
oct2443475144
9800853750
10344881764
11167749857
1297600430
13565b3666
1433b37aba
15204272c9
hex148e7a64

344881764 has 36 divisors (see below), whose sum is σ = 881587980. Its totient is φ = 113667840.

The previous prime is 344881753. The next prime is 344881799. The reversal of 344881764 is 467188443.

It can be written as a sum of positive squares in 2 ways, for example, as 69056100 + 275825664 = 8310^2 + 16608^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3448817642 = 237886862279503392, 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, 50617 + ... + 57024.

It is an arithmetic number, because the mean of its divisors is an integer number (24488555).

Almost surely, 2344881764 is an apocalyptic number.

It is an amenable number.

344881764 is an abundant number, since it is smaller than the sum of its proper divisors (536706216).

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

344881764 is a wasteful number, since it uses less digits than its factorization.

344881764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107740 (or 107735 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 344881764 is about 18570.9925421341. The cubic root of 344881764 is about 701.2777776942.

The spelling of 344881764 in words is "three hundred forty-four million, eight hundred eighty-one thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 89 178 267 356 534 801 1068 1602 3204 107641 215282 322923 430564 645846 968769 1291692 1937538 3875076 9580049 19160098 28740147 38320196 57480294 86220441 114960588 172440882 344881764