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149899308 = 223133312903
BaseRepresentation
bin10001110111101…
…00100000101100
3101110001200012020
420323310200230
5301333234213
622512510140
73500060136
oct1073644054
9343050166
10149899308
1177683629
124224b350
1325095120
1415ca0056
15d25e923
hex8ef482c

149899308 has 48 divisors (see below), whose sum is σ = 377938176. Its totient is φ = 45967680.

The previous prime is 149899297. The next prime is 149899327. The reversal of 149899308 is 803998941.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50185 + ... + 53087.

It is an arithmetic number, because the mean of its divisors is an integer number (7873712).

Almost surely, 2149899308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149899308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188969088).

149899308 is an abundant number, since it is smaller than the sum of its proper divisors (228038868).

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

149899308 is a wasteful number, since it uses less digits than its factorization.

149899308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254 (or 3252 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 149899308 is about 12243.3372901346. The cubic root of 149899308 is about 531.2103677378.

The spelling of 149899308 in words is "one hundred forty-nine million, eight hundred ninety-nine thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 331 662 993 1324 1986 2903 3972 4303 5806 8606 8709 11612 12909 17212 17418 25818 34836 37739 51636 75478 113217 150956 226434 452868 960893 1921786 2882679 3843572 5765358 11530716 12491609 24983218 37474827 49966436 74949654 149899308