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152642471 is a prime number
BaseRepresentation
bin10010001100100…
…10001110100111
3101122020001002212
421012102032213
5303034024341
623051354035
73532303532
oct1106221647
9348201085
10152642471
1179187603
124315291b
13258158b7
14163b5a19
15d6025eb
hex91923a7

152642471 has 2 divisors, whose sum is σ = 152642472. Its totient is φ = 152642470.

The previous prime is 152642453. The next prime is 152642519. The reversal of 152642471 is 174246251.

It is a weak prime.

It is an emirp because it is prime and its reverse (174246251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152642471 - 26 = 152642407 is a prime.

It is a super-3 number, since 3×1526424713 (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152642431) 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 as a sum of consecutive naturals, namely, 76321235 + 76321236.

It is an arithmetic number, because the mean of its divisors is an integer number (76321236).

Almost surely, 2152642471 is an apocalyptic number.

152642471 is a deficient number, since it is larger than the sum of its proper divisors (1).

152642471 is an equidigital number, since it uses as much as digits as its factorization.

152642471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 152642471 is about 12354.8561707533. The cubic root of 152642471 is about 534.4311897915.

The spelling of 152642471 in words is "one hundred fifty-two million, six hundred forty-two thousand, four hundred seventy-one".