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149159652 = 22319654209
BaseRepresentation
bin10001110001111…
…11111011100100
3101101200002120120
420320333323210
5301141102102
622445001540
73460556535
oct1070777344
9341602516
10149159652
1177218944
1241b532b0
1324b96565
1415b4a68c
15d1656bc
hex8e3fee4

149159652 has 24 divisors (see below), whose sum is σ = 366357600. Its totient is φ = 47102976.

The previous prime is 149159641. The next prime is 149159653. The reversal of 149159652 is 256951941.

It is a super-2 number, since 2×1491596522 = 44497203569522208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149159653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326877 + ... + 327332.

It is an arithmetic number, because the mean of its divisors is an integer number (15264900).

Almost surely, 2149159652 is an apocalyptic number.

149159652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149159652 is an abundant number, since it is smaller than the sum of its proper divisors (217197948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149159652 is a wasteful number, since it uses less digits than its factorization.

149159652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654235 (or 654233 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 149159652 is about 12213.0934656212. The cubic root of 149159652 is about 530.3352003217.

The spelling of 149159652 in words is "one hundred forty-nine million, one hundred fifty-nine thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 654209 1308418 1962627 2616836 3925254 7850508 12429971 24859942 37289913 49719884 74579826 149159652