Base | Representation |
---|---|
bin | 11101111010010… |
… | …11110011000100 |
3 | 122111011001201020 |
4 | 32331023303010 |
5 | 1003213421012 |
6 | 40522031140 |
7 | 6134533401 |
oct | 1675136304 |
9 | 574131636 |
10 | 250920132 |
11 | 119702011 |
12 | 700484b0 |
13 | 3cca5468 |
14 | 254792a8 |
15 | 17066a8c |
hex | ef4bcc4 |
250920132 has 12 divisors (see below), whose sum is σ = 585480336. Its totient is φ = 83640040.
The previous prime is 250920127. The next prime is 250920143. The reversal of 250920132 is 231029052.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10454994 + ... + 10455017.
It is an arithmetic number, because the mean of its divisors is an integer number (48790028).
Almost surely, 2250920132 is an apocalyptic number.
It is an amenable number.
250920132 is an abundant number, since it is smaller than the sum of its proper divisors (334560204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250920132 is a wasteful number, since it uses less digits than its factorization.
250920132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20910018 (or 20910016 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 250920132 is about 15840.4587054795. The cubic root of 250920132 is about 630.7324411512.
Subtracting from 250920132 its product of nonzero digits (1080), we obtain a palindrome (250919052).
Adding to 250920132 its reverse (231029052), we get a palindrome (481949184).
The spelling of 250920132 in words is "two hundred fifty million, nine hundred twenty thousand, one hundred thirty-two".
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