Base | Representation |
---|---|
bin | 1110100110111… |
… | …0011100101000 |
3 | 11021021211100212 |
4 | 3221232130220 |
5 | 111141113200 |
6 | 10025120252 |
7 | 1342533104 |
oct | 351563450 |
9 | 137254325 |
10 | 61269800 |
11 | 316489a9 |
12 | 18629088 |
13 | c902c27 |
14 | 81cc904 |
15 | 55a4035 |
hex | 3a6e728 |
61269800 has 24 divisors (see below), whose sum is σ = 142452750. Its totient is φ = 24507840.
The previous prime is 61269787. The next prime is 61269809. The reversal of 61269800 is 896216.
It can be written as a sum of positive squares in 3 ways, for example, as 47087044 + 14182756 = 6862^2 + 3766^2 .
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (61269809) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152975 + ... + 153374.
Almost surely, 261269800 is an apocalyptic number.
It is an amenable number.
61269800 is an abundant number, since it is smaller than the sum of its proper divisors (81182950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61269800 is a wasteful number, since it uses less digits than its factorization.
61269800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306365 (or 306356 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 61269800 is about 7827.5027946338. The cubic root of 61269800 is about 394.2292292135.
The spelling of 61269800 in words is "sixty-one million, two hundred sixty-nine thousand, eight hundred".
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