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149295912 = 23353117371
BaseRepresentation
bin10001110011000…
…01001100101000
3101101221000111020
420321201030220
5301204432122
622451532440
73461665023
oct1071411450
9341830436
10149295912
1177301257
1241bba120
1324c1359c
1415b841ba
15d190c5c
hex8e61328

149295912 has 32 divisors (see below), whose sum is σ = 380285280. Its totient is φ = 48825920.

The previous prime is 149295911. The next prime is 149295917. The reversal of 149295912 is 219592941.

It is not an unprimeable number, because it can be changed into a prime (149295911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57414 + ... + 59957.

It is an arithmetic number, because the mean of its divisors is an integer number (11883915).

Almost surely, 2149295912 is an apocalyptic number.

149295912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149295912 is an abundant number, since it is smaller than the sum of its proper divisors (230989368).

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

149295912 is a wasteful number, since it uses less digits than its factorization.

149295912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117433 (or 117429 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 149295912 is about 12218.6706314558. The cubic root of 149295912 is about 530.4966413905.

The spelling of 149295912 in words is "one hundred forty-nine million, two hundred ninety-five thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 117371 234742 352113 469484 704226 938968 1408452 2816904 6220663 12441326 18661989 24882652 37323978 49765304 74647956 149295912