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149079985 = 5191569263
BaseRepresentation
bin10001110001011…
…00011110110001
3101101112001021221
420320230132301
5301131024420
622443145041
73460105345
oct1070543661
9341461257
10149079985
1177173aaa
1241b15181
1324b69212
1415b29625
15d14bcaa
hex8e2c7b1

149079985 has 8 divisors (see below), whose sum is σ = 188311680. Its totient is φ = 112986864.

The previous prime is 149079967. The next prime is 149079991. The reversal of 149079985 is 589970941.

149079985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149079985 - 29 = 149079473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784537 + ... + 784726.

It is an arithmetic number, because the mean of its divisors is an integer number (23538960).

Almost surely, 2149079985 is an apocalyptic number.

It is an amenable number.

149079985 is a deficient number, since it is larger than the sum of its proper divisors (39231695).

149079985 is a wasteful number, since it uses less digits than its factorization.

149079985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569287.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 149079985 is about 12209.8314894187. The cubic root of 149079985 is about 530.2407651799.

The spelling of 149079985 in words is "one hundred forty-nine million, seventy-nine thousand, nine hundred eighty-five".

Divisors: 1 5 19 95 1569263 7846315 29815997 149079985