Base | Representation |
---|---|
bin | 11101110110101… |
… | …00101000101000 |
3 | 122110020021011202 |
4 | 32323110220220 |
5 | 1003102311130 |
6 | 40503343332 |
7 | 6130431365 |
oct | 1673245050 |
9 | 573207152 |
10 | 250432040 |
11 | 1193a9331 |
12 | 6ba51b48 |
13 | 3cb64251 |
14 | 2538d46c |
15 | 16ebc145 |
hex | eed4a28 |
250432040 has 16 divisors (see below), whose sum is σ = 563472180. Its totient is φ = 100172800.
The previous prime is 250432033. The next prime is 250432051. The reversal of 250432040 is 40234052.
250432040 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 222785476 + 27646564 = 14926^2 + 5258^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 3130361 + ... + 3130440.
Almost surely, 2250432040 is an apocalyptic number.
250432040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
250432040 is an abundant number, since it is smaller than the sum of its proper divisors (313040140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250432040 is a wasteful number, since it uses less digits than its factorization.
250432040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6260812 (or 6260808 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 20.
The square root of 250432040 is about 15825.0447076778. The cubic root of 250432040 is about 630.3232069637.
Adding to 250432040 its reverse (40234052), we get a palindrome (290666092).
The spelling of 250432040 in words is "two hundred fifty million, four hundred thirty-two thousand, forty".
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