Base | Representation |
---|---|
bin | 11101111001100… |
… | …01110101101001 |
3 | 122110221122212001 |
4 | 32330301311221 |
5 | 1003202020201 |
6 | 40515451001 |
7 | 6133611400 |
oct | 1674616551 |
9 | 573848761 |
10 | 250813801 |
11 | 11963a137 |
12 | 6bbb6a61 |
13 | 3cc68c44 |
14 | 2544c637 |
15 | 17045301 |
hex | ef31d69 |
250813801 has 24 divisors (see below), whose sum is σ = 310607136. Its totient is φ = 201237120.
The previous prime is 250813757. The next prime is 250813807. The reversal of 250813801 is 108318052.
It is not a de Polignac number, because 250813801 - 215 = 250781033 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 250813801.
It is not an unprimeable number, because it can be changed into a prime (250813807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175050 + ... + 176476.
It is an arithmetic number, because the mean of its divisors is an integer number (12941964).
Almost surely, 2250813801 is an apocalyptic number.
It is an amenable number.
250813801 is a deficient number, since it is larger than the sum of its proper divisors (59793335).
250813801 is a wasteful number, since it uses less digits than its factorization.
250813801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 250813801 is about 15837.1020391990. The cubic root of 250813801 is about 630.6433345945.
It can be divided in two parts, 25081 and 3801, that added together give a palindrome (28882).
The spelling of 250813801 in words is "two hundred fifty million, eight hundred thirteen thousand, eight hundred one".
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