Base | Representation |
---|---|
bin | 10001110100110… |
… | …10000101011101 |
3 | 101102100212010100 |
4 | 20322122011131 |
5 | 301234411200 |
6 | 22500531313 |
7 | 3463655250 |
oct | 1072320535 |
9 | 342325110 |
10 | 149528925 |
11 | 77450327 |
12 | 420b0b39 |
13 | 24c95670 |
14 | 15c05097 |
15 | d1d9d00 |
hex | 8e9a15d |
149528925 has 144 divisors (see below), whose sum is σ = 337617280. Its totient is φ = 61585920.
The previous prime is 149528921. The next prime is 149528933. The reversal of 149528925 is 529825941.
It is a happy number.
149528925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 149528925 - 22 = 149528921 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149528921) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1371771 + ... + 1371879.
Almost surely, 2149528925 is an apocalyptic number.
149528925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
149528925 is an abundant number, since it is smaller than the sum of its proper divisors (188088355).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149528925 is a wasteful number, since it uses less digits than its factorization.
149528925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212 (or 204 counting only the distinct ones).
The product of its digits is 259200, while the sum is 45.
The square root of 149528925 is about 12228.2020346411. The cubic root of 149528925 is about 530.7724881047.
The spelling of 149528925 in words is "one hundred forty-nine million, five hundred twenty-eight thousand, nine hundred twenty-five".
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