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313490 = 25232947
BaseRepresentation
bin1001100100010010010
3120221000202
41030202102
540012430
610415202
72443652
oct1144222
9527022
10313490
111a4591
12131502
13ac8c8
1482362
1562d45
hex4c892

313490 has 32 divisors (see below), whose sum is σ = 622080. Its totient is φ = 113344.

The previous prime is 313477. The next prime is 313507. The reversal of 313490 is 94313.

It is a zygodrome in base 8.

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 15 ways as a sum of consecutive naturals, for example, 6647 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2313490 is an apocalyptic number.

313490 is a deficient number, since it is larger than the sum of its proper divisors (308590).

313490 is a wasteful number, since it uses less digits than its factorization.

313490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 313490 is about 559.9017771002. The cubic root of 313490 is about 67.9320254992.

It can be divided in two parts, 3 and 13490, that multiplied together give a triangular number (40470 = T284).

The spelling of 313490 in words is "three hundred thirteen thousand, four hundred ninety".

Divisors: 1 2 5 10 23 29 46 47 58 94 115 145 230 235 290 470 667 1081 1334 1363 2162 2726 3335 5405 6670 6815 10810 13630 31349 62698 156745 313490