Base | Representation |
---|---|
bin | 10001110110011… |
… | …10110011101010 |
3 | 101102202211100110 |
4 | 20323032303222 |
5 | 301313313444 |
6 | 22505315150 |
7 | 3465544656 |
oct | 1073166352 |
9 | 342684313 |
10 | 149744874 |
11 | 775885a4 |
12 | 42195ab6 |
13 | 2503ca46 |
14 | 15c5da66 |
15 | d22dcb9 |
hex | 8ececea |
149744874 has 64 divisors (see below), whose sum is σ = 330728832. Its totient is φ = 45004800.
The previous prime is 149744869. The next prime is 149744887. The reversal of 149744874 is 478447941.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254809 + ... + 255395.
It is an arithmetic number, because the mean of its divisors is an integer number (5167638).
Almost surely, 2149744874 is an apocalyptic number.
149744874 is an abundant number, since it is smaller than the sum of its proper divisors (180983958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149744874 is a wasteful number, since it uses less digits than its factorization.
149744874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 711.
The product of its digits is 903168, while the sum is 48.
The square root of 149744874 is about 12237.0288060460. The cubic root of 149744874 is about 531.0278782786.
The spelling of 149744874 in words is "one hundred forty-nine million, seven hundred forty-four thousand, eight hundred seventy-four".
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