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313444 = 22233407
BaseRepresentation
bin1001100100001100100
3120220222001
41030201210
540012234
610415044
72443555
oct1144144
9526861
10313444
111a454a
12131484
13ac891
148232c
1562d14
hex4c864

313444 has 12 divisors (see below), whose sum is σ = 572544. Its totient is φ = 149864.

The previous prime is 313409. The next prime is 313471. The reversal of 313444 is 444313.

It is a super-2 number, since 2×3134442 = 196494282272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (47712).

2313444 is an apocalyptic number.

It is an amenable number.

313444 is a deficient number, since it is larger than the sum of its proper divisors (259100).

313444 is a wasteful number, since it uses less digits than its factorization.

313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434 (or 3432 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 313444 is about 559.8606969595. The cubic root of 313444 is about 67.9287026649.

Adding to 313444 its reverse (444313), we get a palindrome (757757).

It can be divided in two parts, 313 and 444, that added together give a palindrome (757).

The spelling of 313444 in words is "three hundred thirteen thousand, four hundred forty-four".

Divisors: 1 2 4 23 46 92 3407 6814 13628 78361 156722 313444