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149929192 = 2375874561
BaseRepresentation
bin10001110111110…
…11110011101000
3101110010012012001
420323323303220
5301340213232
622513300344
73500243230
oct1073736350
9343105161
10149929192
11776a4026
12422646b4
13250a58ca
1415caacc0
15d2686e7
hex8efbce8

149929192 has 32 divisors (see below), whose sum is σ = 321894720. Its totient is φ = 64131840.

The previous prime is 149929181. The next prime is 149929211. The reversal of 149929192 is 291929941.

It is a super-2 number, since 2×1499291922 = 44957525227545728, which contains 22 as substring.

It is an unprimeable number.

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, 30592 + ... + 35152.

It is an arithmetic number, because the mean of its divisors is an integer number (10059210).

Almost surely, 2149929192 is an apocalyptic number.

It is an amenable number.

149929192 is an abundant number, since it is smaller than the sum of its proper divisors (171965528).

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

149929192 is a wasteful number, since it uses less digits than its factorization.

149929192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161 (or 5157 counting only the distinct ones).

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

The square root of 149929192 is about 12244.5576481962. The cubic root of 149929192 is about 531.2456661792.

The spelling of 149929192 in words is "one hundred forty-nine million, nine hundred twenty-nine thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 587 1174 2348 4109 4561 4696 8218 9122 16436 18244 31927 32872 36488 63854 127708 255416 2677307 5354614 10709228 18741149 21418456 37482298 74964596 149929192