Base | Representation |
---|---|
bin | 11101111001000… |
… | …10110111101101 |
3 | 122110211112202101 |
4 | 32330202313231 |
5 | 1003143034433 |
6 | 40514255101 |
7 | 6133234555 |
oct | 1674426755 |
9 | 573745671 |
10 | 250752493 |
11 | 1195a8072 |
12 | 6bb87491 |
13 | 3cc47074 |
14 | 25434165 |
15 | 1703207d |
hex | ef22ded |
250752493 has 4 divisors (see below), whose sum is σ = 250883100. Its totient is φ = 250621888.
The previous prime is 250752461. The next prime is 250752511. The reversal of 250752493 is 394257052.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 145853929 + 104898564 = 12077^2 + 10242^2 .
It is a cyclic number.
It is not a de Polignac number, because 250752493 - 25 = 250752461 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250752413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62380 + ... + 66277.
It is an arithmetic number, because the mean of its divisors is an integer number (62720775).
Almost surely, 2250752493 is an apocalyptic number.
It is an amenable number.
250752493 is a deficient number, since it is larger than the sum of its proper divisors (130607).
250752493 is a wasteful number, since it uses less digits than its factorization.
250752493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130606.
The product of its (nonzero) digits is 75600, while the sum is 37.
The square root of 250752493 is about 15835.1663395116. The cubic root of 250752493 is about 630.5919463640.
The spelling of 250752493 in words is "two hundred fifty million, seven hundred fifty-two thousand, four hundred ninety-three".
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