Base | Representation |
---|---|
bin | 10001110110010… |
… | …01010111010100 |
3 | 101102201200202202 |
4 | 20323021113110 |
5 | 301312110310 |
6 | 22505024032 |
7 | 3465422660 |
oct | 1073112724 |
9 | 342650682 |
10 | 149722580 |
11 | 77572877 |
12 | 42185018 |
13 | 25032857 |
14 | 15c558a0 |
15 | d2273a5 |
hex | 8ec95d4 |
149722580 has 48 divisors (see below), whose sum is σ = 360071040. Its totient is φ = 51228288.
The previous prime is 149722577. The next prime is 149722597. The reversal of 149722580 is 85227941.
149722580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101891 + ... + 103349.
It is an arithmetic number, because the mean of its divisors is an integer number (7501480).
Almost surely, 2149722580 is an apocalyptic number.
149722580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149722580 is an abundant number, since it is smaller than the sum of its proper divisors (210348460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149722580 is a wasteful number, since it uses less digits than its factorization.
149722580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2208 (or 2206 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 149722580 is about 12236.1178484027. The cubic root of 149722580 is about 531.0015238470.
The spelling of 149722580 in words is "one hundred forty-nine million, seven hundred twenty-two thousand, five hundred eighty".
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