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172114637 is a prime number
BaseRepresentation
bin10100100001001…
…00001011001101
3102222212022220012
422100210023031
5323030132022
625025003005
74156643642
oct1220441315
9388768805
10172114637
1189177302
1249783465
13298729a6
1418c03dc9
151019bde2
hexa4242cd

172114637 has 2 divisors, whose sum is σ = 172114638. Its totient is φ = 172114636.

The previous prime is 172114627. The next prime is 172114651. The reversal of 172114637 is 736411271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171976996 + 137641 = 13114^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 172114637 - 28 = 172114381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172114627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86057318 + 86057319.

It is an arithmetic number, because the mean of its divisors is an integer number (86057319).

Almost surely, 2172114637 is an apocalyptic number.

It is an amenable number.

172114637 is a deficient number, since it is larger than the sum of its proper divisors (1).

172114637 is an equidigital number, since it uses as much as digits as its factorization.

172114637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 172114637 is about 13119.2468152711. The cubic root of 172114637 is about 556.2533016342.

The spelling of 172114637 in words is "one hundred seventy-two million, one hundred fourteen thousand, six hundred thirty-seven".