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272451131 is a prime number
BaseRepresentation
bin10000001111010…
…100011000111011
3200222122221200122
4100033110120323
51024221414011
643011323455
76515540111
oct2017243073
9628587618
10272451131
1112a878627
12772b058b
13445a36b4
1428281ab1
1518dbb3db
hex103d463b

272451131 has 2 divisors, whose sum is σ = 272451132. Its totient is φ = 272451130.

The previous prime is 272451107. The next prime is 272451133. The reversal of 272451131 is 131154272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-272451131 is a prime.

It is a super-2 number, since 2×2724511312 = 148459237566358322, which contains 22 as substring.

Together with 272451133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272451131.

It is not a weakly prime, because it can be changed into another prime (272451133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136225565 + 136225566.

It is an arithmetic number, because the mean of its divisors is an integer number (136225566).

Almost surely, 2272451131 is an apocalyptic number.

272451131 is a deficient number, since it is larger than the sum of its proper divisors (1).

272451131 is an equidigital number, since it uses as much as digits as its factorization.

272451131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 272451131 is about 16506.0937535202. The cubic root of 272451131 is about 648.2803705646.

The spelling of 272451131 in words is "two hundred seventy-two million, four hundred fifty-one thousand, one hundred thirty-one".