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313123 = 17113163
BaseRepresentation
bin1001100011100100011
3120220112011
41030130203
540004443
610413351
72442616
oct1143443
9526464
10313123
111a4288
12131257
13ac6a5
148217d
1562b9d
hex4c723

313123 has 8 divisors (see below), whose sum is σ = 336528. Its totient is φ = 290304.

The previous prime is 313109. The next prime is 313127. The reversal of 313123 is 321313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (42066).

2313123 is an apocalyptic number.

313123 is a deficient number, since it is larger than the sum of its proper divisors (23405).

313123 is a wasteful number, since it uses less digits than its factorization.

313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its digits is 54, while the sum is 13.

The square root of 313123 is about 559.5739450689. The cubic root of 313123 is about 67.9055060052.

Adding to 313123 its reverse (321313), we get a palindrome (634436).

The spelling of 313123 in words is "three hundred thirteen thousand, one hundred twenty-three".

Divisors: 1 17 113 163 1921 2771 18419 313123