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172483931 is a prime number
BaseRepresentation
bin10100100011111…
…10010101011011
3110000120002110202
422101332111123
5323123441211
625040532415
74163042414
oct1221762533
9400502422
10172483931
11893a9804
124992110b
1329971ac9
1418c9c80b
151022153b
hexa47e55b

172483931 has 2 divisors, whose sum is σ = 172483932. Its totient is φ = 172483930.

The previous prime is 172483891. The next prime is 172483943. The reversal of 172483931 is 139384271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172483931 - 26 = 172483867 is a prime.

It is a super-2 number, since 2×1724839312 = 59501412906425522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172483951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86241965 + 86241966.

It is an arithmetic number, because the mean of its divisors is an integer number (86241966).

Almost surely, 2172483931 is an apocalyptic number.

172483931 is a deficient number, since it is larger than the sum of its proper divisors (1).

172483931 is an equidigital number, since it uses as much as digits as its factorization.

172483931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 172483931 is about 13133.3137859415. The cubic root of 172483931 is about 556.6508550056.

The spelling of 172483931 in words is "one hundred seventy-two million, four hundred eighty-three thousand, nine hundred thirty-one".