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149999371 is a prime number
BaseRepresentation
bin10001111000011…
…00111100001011
3101110020202110021
420330030330023
5301344434441
622515001311
73500654644
oct1074147413
9343222407
10149999371
1177741825
1242299237
13250cb832
1415cc86cb
15d27e3d1
hex8f0cf0b

149999371 has 2 divisors, whose sum is σ = 149999372. Its totient is φ = 149999370.

The previous prime is 149999363. The next prime is 149999411. The reversal of 149999371 is 173999941.

149999371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149999371 - 23 = 149999363 is a prime.

It is a super-2 number, since 2×1499993712 = 44999622600791282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149999321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74999685 + 74999686.

It is an arithmetic number, because the mean of its divisors is an integer number (74999686).

Almost surely, 2149999371 is an apocalyptic number.

149999371 is a deficient number, since it is larger than the sum of its proper divisors (1).

149999371 is an equidigital number, since it uses as much as digits as its factorization.

149999371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 52.

The square root of 149999371 is about 12247.4230350715. The cubic root of 149999371 is about 531.3285419100.

The spelling of 149999371 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, three hundred seventy-one".