Base | Representation |
---|---|
bin | 110001100011… |
… | …0000011010010 |
3 | 1210212202210200 |
4 | 1203012003102 |
5 | 23122231132 |
6 | 2324440030 |
7 | 433541550 |
oct | 143060322 |
9 | 53782720 |
10 | 25977042 |
11 | 13732a33 |
12 | 8849016 |
13 | 54c6b40 |
14 | 3642bd0 |
15 | 2431d7c |
hex | 18c60d2 |
25977042 has 48 divisors (see below), whose sum is σ = 69276480. Its totient is φ = 6850656.
The previous prime is 25977013. The next prime is 25977059. The reversal of 25977042 is 24077952.
It is a super-2 number, since 2×259770422 = 1349613422139528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25976988 and 25977006.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6292 + ... + 9567.
It is an arithmetic number, because the mean of its divisors is an integer number (1443260).
Almost surely, 225977042 is an apocalyptic number.
25977042 is an abundant number, since it is smaller than the sum of its proper divisors (43299438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25977042 is a wasteful number, since it uses less digits than its factorization.
25977042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15887 (or 15884 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The square root of 25977042 is about 5096.7677993018. The cubic root of 25977042 is about 296.1623850291.
The spelling of 25977042 in words is "twenty-five million, nine hundred seventy-seven thousand, forty-two".
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