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149887299 = 3241379547
BaseRepresentation
bin10001110111100…
…01100101000011
3101110001001201110
420323301211003
5301332343144
622512334403
73500010132
oct1073614503
9343031643
10149887299
1177675601
1242244403
132508c813
1415c99919
15d25b0b9
hex8ef1943

149887299 has 16 divisors (see below), whose sum is σ = 201576320. Its totient is φ = 99066240.

The previous prime is 149887279. The next prime is 149887301. The reversal of 149887299 is 992788941.

149887299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149887299 - 211 = 149885251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149887279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273744 + ... + 274290.

It is an arithmetic number, because the mean of its divisors is an integer number (12598520).

Almost surely, 2149887299 is an apocalyptic number.

149887299 is a deficient number, since it is larger than the sum of its proper divisors (51689021).

149887299 is a wasteful number, since it uses less digits than its factorization.

149887299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its digits is 2612736, while the sum is 57.

The square root of 149887299 is about 12242.8468503041. The cubic root of 149887299 is about 531.1961816023.

The spelling of 149887299 in words is "one hundred forty-nine million, eight hundred eighty-seven thousand, two hundred ninety-nine".

Divisors: 1 3 241 379 547 723 1137 1641 91339 131827 207313 274017 395481 621939 49962433 149887299