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149914357 = 314835947
BaseRepresentation
bin10001110111110…
…00001011110101
3101110002102211121
420323320023311
5301334224412
622513103541
73500152045
oct1073701365
9343072747
10149914357
117769396a
1242257bb1
132509bc28
1415ca5725
15d264107
hex8ef82f5

149914357 has 4 divisors (see below), whose sum is σ = 154750336. Its totient is φ = 145078380.

The previous prime is 149914321. The next prime is 149914363. The reversal of 149914357 is 753419941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149914357 - 211 = 149912309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149914057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417943 + ... + 2418004.

It is an arithmetic number, because the mean of its divisors is an integer number (38687584).

Almost surely, 2149914357 is an apocalyptic number.

It is an amenable number.

149914357 is a deficient number, since it is larger than the sum of its proper divisors (4835979).

149914357 is an equidigital number, since it uses as much as digits as its factorization.

149914357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835978.

The product of its digits is 136080, while the sum is 43.

The square root of 149914357 is about 12243.9518538746. The cubic root of 149914357 is about 531.2281439313.

The spelling of 149914357 in words is "one hundred forty-nine million, nine hundred fourteen thousand, three hundred fifty-seven".

Divisors: 1 31 4835947 149914357