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149901499 = 1114999091
BaseRepresentation
bin10001110111101…
…01000010111011
3101110001210012101
420323311002323
5301333321444
622512524231
73500066416
oct1073650273
9343053171
10149901499
1177685240
1242250677
1325096117
1415ca0b7d
15d2603d4
hex8ef50bb

149901499 has 8 divisors (see below), whose sum is σ = 163656000. Its totient is φ = 136168200.

The previous prime is 149901497. The next prime is 149901503. The reversal of 149901499 is 994109941.

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 149901499 - 21 = 149901497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149901491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11944 + ... + 21034.

It is an arithmetic number, because the mean of its divisors is an integer number (20457000).

Almost surely, 2149901499 is an apocalyptic number.

149901499 is a deficient number, since it is larger than the sum of its proper divisors (13754501).

149901499 is a wasteful number, since it uses less digits than its factorization.

149901499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 149901499 is about 12243.4267670452. The cubic root of 149901499 is about 531.2129558668.

The spelling of 149901499 in words is "one hundred forty-nine million, nine hundred one thousand, four hundred ninety-nine".

Divisors: 1 11 1499 9091 16489 100001 13627409 149901499