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245468131 is a prime number
BaseRepresentation
bin11101010000110…
…00101111100011
3122002220001222021
432220120233203
51000314440011
640205122311
76040305346
oct1650305743
9562801867
10245468131
11116618927
126a259397
133bb16a1c
142485a45d
151683b471
hexea18be3

245468131 has 2 divisors, whose sum is σ = 245468132. Its totient is φ = 245468130.

The previous prime is 245468129. The next prime is 245468159. The reversal of 245468131 is 131864542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245468131 - 21 = 245468129 is a prime.

It is a super-2 number, since 2×2454681312 = 120509206673266322, which contains 22 as substring.

Together with 245468129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245462131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122734065 + 122734066.

It is an arithmetic number, because the mean of its divisors is an integer number (122734066).

Almost surely, 2245468131 is an apocalyptic number.

245468131 is a deficient number, since it is larger than the sum of its proper divisors (1).

245468131 is an equidigital number, since it uses as much as digits as its factorization.

245468131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 245468131 is about 15667.4226023300. The cubic root of 245468131 is about 626.1307581040.

The spelling of 245468131 in words is "two hundred forty-five million, four hundred sixty-eight thousand, one hundred thirty-one".