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318040097 = 17131142811
BaseRepresentation
bin10010111101001…
…110100000100001
3211011110002222212
4102331032200201
51122404240342
651320411505
710611203414
oct2275164041
9734402885
10318040097
11153586261
128a616b95
1350b7610b
143034bb7b
151cdc4182
hex12f4e821

318040097 has 8 divisors (see below), whose sum is σ = 339321312. Its totient is φ = 297044800.

The previous prime is 318040007. The next prime is 318040103. The reversal of 318040097 is 790040813.

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

It is a cyclic number.

It is not a de Polignac number, because 318040097 - 212 = 318036001 is a prime.

It is a super-2 number, since 2×3180400972 = 202299006599538818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318040007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69179 + ... + 73632.

It is an arithmetic number, because the mean of its divisors is an integer number (42415164).

Almost surely, 2318040097 is an apocalyptic number.

It is an amenable number.

318040097 is a deficient number, since it is larger than the sum of its proper divisors (21281215).

318040097 is a wasteful number, since it uses less digits than its factorization.

318040097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142959.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 318040097 is about 17833.6787287424. The cubic root of 318040097 is about 682.5911068204.

The spelling of 318040097 in words is "three hundred eighteen million, forty thousand, ninety-seven".

Divisors: 1 17 131 2227 142811 2427787 18708241 318040097