Base | Representation |
---|---|
bin | 10001110100110… |
… | …01110111010100 |
3 | 101102100210212211 |
4 | 20322121313110 |
5 | 301234344040 |
6 | 22500523204 |
7 | 3463652515 |
oct | 1072316724 |
9 | 342323784 |
10 | 149528020 |
11 | 7744a684 |
12 | 420b0504 |
13 | 24c95125 |
14 | 15c04a0c |
15 | d1d98ea |
hex | 8e99dd4 |
149528020 has 24 divisors (see below), whose sum is σ = 314393184. Its totient is φ = 59738016.
The previous prime is 149527969. The next prime is 149528021. The reversal of 149528020 is 20825941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149528021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14019 + ... + 22261.
It is an arithmetic number, because the mean of its divisors is an integer number (13099716).
Almost surely, 2149528020 is an apocalyptic number.
149528020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149528020 is an abundant number, since it is smaller than the sum of its proper divisors (164865164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149528020 is a wasteful number, since it uses less digits than its factorization.
149528020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9159 (or 9157 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 149528020 is about 12228.1650299626. The cubic root of 149528020 is about 530.7714172972.
The spelling of 149528020 in words is "one hundred forty-nine million, five hundred twenty-eight thousand, twenty".
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