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313255 = 5314347
BaseRepresentation
bin1001100011110100111
3120220201001
41030132213
540011010
610414131
72443165
oct1143647
9526631
10313255
111a4398
12131347
13ac777
1482235
1562c3a
hex4c7a7

313255 has 16 divisors (see below), whose sum is σ = 405504. Its totient is φ = 231840.

The previous prime is 313249. The next prime is 313267. The reversal of 313255 is 552313.

313255 = T30 + T31 + ... + T123.

It is not a de Polignac number, because 313255 - 27 = 313127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6642 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (25344).

2313255 is an apocalyptic number.

313255 is a deficient number, since it is larger than the sum of its proper divisors (92249).

313255 is a wasteful number, since it uses less digits than its factorization.

313255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126.

The product of its digits is 450, while the sum is 19.

The square root of 313255 is about 559.6918795194. The cubic root of 313255 is about 67.9150467368.

Subtracting from 313255 its sum of digits (19), we obtain a triangular number (313236 = T791).

Adding to 313255 its reverse (552313), we get a palindrome (865568).

The spelling of 313255 in words is "three hundred thirteen thousand, two hundred fifty-five".

Divisors: 1 5 31 43 47 155 215 235 1333 1457 2021 6665 7285 10105 62651 313255