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318674121 = 3106224707
BaseRepresentation
bin10010111111101…
…001010011001001
3211012122022201020
4102333221103021
51123040032441
651342143053
710616454033
oct2277512311
9735568636
10318674121
11153979647
128a881a89
135103888c
1430474c53
151ce9be66
hex12fe94c9

318674121 has 4 divisors (see below), whose sum is σ = 424898832. Its totient is φ = 212449412.

The previous prime is 318674119. The next prime is 318674123. The reversal of 318674121 is 121476813.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121476813 = 340492271.

It is an interprime number because it is at equal distance from previous prime (318674119) and next prime (318674123).

It is a cyclic number.

It is not a de Polignac number, because 318674121 - 21 = 318674119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318674123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53112351 + ... + 53112356.

It is an arithmetic number, because the mean of its divisors is an integer number (106224708).

Almost surely, 2318674121 is an apocalyptic number.

It is an amenable number.

318674121 is a deficient number, since it is larger than the sum of its proper divisors (106224711).

318674121 is a wasteful number, since it uses less digits than its factorization.

318674121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106224710.

The product of its digits is 8064, while the sum is 33.

The square root of 318674121 is about 17851.4459078249. The cubic root of 318674121 is about 683.0443954459.

The spelling of 318674121 in words is "three hundred eighteen million, six hundred seventy-four thousand, one hundred twenty-one".

Divisors: 1 3 106224707 318674121