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313828 = 22671171
BaseRepresentation
bin1001100100111100100
3120221111021
41030213210
540020303
610420524
72444644
oct1144744
9527437
10313828
111a4869
12131744
13acac8
1482524
1562ebd
hex4c9e4

313828 has 12 divisors (see below), whose sum is σ = 557872. Its totient is φ = 154440.

The previous prime is 313783. The next prime is 313829. The reversal of 313828 is 828313.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (313829) by changing a digit.

313828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318 + ... + 853.

2313828 is an apocalyptic number.

It is an amenable number.

313828 is a deficient number, since it is larger than the sum of its proper divisors (244044).

313828 is a wasteful number, since it uses less digits than its factorization.

313828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1240 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 313828 is about 560.2035344408. The cubic root of 313828 is about 67.9564311448.

It can be divided in two parts, 3 and 13828, that added together give a palindrome (13831).

The spelling of 313828 in words is "three hundred thirteen thousand, eight hundred twenty-eight".

Divisors: 1 2 4 67 134 268 1171 2342 4684 78457 156914 313828