Base | Representation |
---|---|
bin | 110001001010… |
… | …0000011110010 |
3 | 1210111100220200 |
4 | 1202110003302 |
5 | 23044203044 |
6 | 2320220030 |
7 | 432026553 |
oct | 142240362 |
9 | 53440820 |
10 | 25772274 |
11 | 13603100 |
12 | 876a616 |
13 | 5454888 |
14 | 35cc32a |
15 | 23e1369 |
hex | 18940f2 |
25772274 has 36 divisors (see below), whose sum is σ = 61382958. Its totient is φ = 7809120.
The previous prime is 25772273. The next prime is 25772281. The reversal of 25772274 is 47227752.
It can be written as a sum of positive squares in only one way, i.e., 15944049 + 9828225 = 3993^2 + 3135^2 .
It is a super-3 number, since 3×257722743 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (25772273) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3739 + ... + 8094.
Almost surely, 225772274 is an apocalyptic number.
25772274 is an abundant number, since it is smaller than the sum of its proper divisors (35610684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25772274 is a wasteful number, since it uses less digits than its factorization.
25772274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11863 (or 11849 counting only the distinct ones).
The product of its digits is 54880, while the sum is 36.
The square root of 25772274 is about 5076.6400305714. The cubic root of 25772274 is about 295.3821495750.
It can be divided in two parts, 2577 and 2274, that added together give a triangular number (4851 = T98).
The spelling of 25772274 in words is "twenty-five million, seven hundred seventy-two thousand, two hundred seventy-four".
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