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313390 = 25711237
BaseRepresentation
bin1001100100000101110
3120220220001
41030200232
540012030
610414514
72443450
oct1144056
9526801
10313390
111a4500
1213143a
13ac84c
14822d0
1562cca
hex4c82e

313390 has 48 divisors (see below), whose sum is σ = 727776. Its totient is φ = 95040.

The previous prime is 313387. The next prime is 313399. The reversal of 313390 is 93313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8452 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (15162).

2313390 is an apocalyptic number.

313390 is an abundant number, since it is smaller than the sum of its proper divisors (414386).

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

313390 is a wasteful number, since it uses less digits than its factorization.

313390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 313390 is about 559.8124686000. The cubic root of 313390 is about 67.9248015314.

It can be divided in two parts, 3133 and 90, that added together give a palindrome (3223).

The spelling of 313390 in words is "three hundred thirteen thousand, three hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 37 55 70 74 77 110 121 154 185 242 259 370 385 407 518 605 770 814 847 1210 1295 1694 2035 2590 2849 4070 4235 4477 5698 8470 8954 14245 22385 28490 31339 44770 62678 156695 313390