Base | Representation |
---|---|
bin | 10001111000001… |
… | …01100111011100 |
3 | 101110012020022012 |
4 | 20330011213130 |
5 | 301343004442 |
6 | 22514210352 |
7 | 3500501330 |
oct | 1074054734 |
9 | 343166265 |
10 | 149969372 |
11 | 77721233 |
12 | 422839b8 |
13 | 250bac97 |
14 | 15cbb7c0 |
15 | d275582 |
hex | 8f059dc |
149969372 has 24 divisors (see below), whose sum is σ = 303036384. Its totient is φ = 63608832.
The previous prime is 149969363. The next prime is 149969387. The reversal of 149969372 is 273969941.
149969372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 149969372.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24893 + ... + 30324.
It is an arithmetic number, because the mean of its divisors is an integer number (12626516).
Almost surely, 2149969372 is an apocalyptic number.
It is an amenable number.
149969372 is an abundant number, since it is smaller than the sum of its proper divisors (153067012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149969372 is a wasteful number, since it uses less digits than its factorization.
149969372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55325 (or 55323 counting only the distinct ones).
The product of its digits is 734832, while the sum is 50.
The square root of 149969372 is about 12246.1982672175. The cubic root of 149969372 is about 531.2931186778.
The spelling of 149969372 in words is "one hundred forty-nine million, nine hundred sixty-nine thousand, three hundred seventy-two".
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