Base | Representation |
---|---|
bin | 110000110001… |
… | …1001110011010 |
3 | 1210010012112101 |
4 | 1201203032122 |
5 | 23021303000 |
6 | 2312034014 |
7 | 430234444 |
oct | 141431632 |
9 | 53105471 |
10 | 25572250 |
11 | 134868a0 |
12 | 869290a |
13 | 53b4812 |
14 | 3579494 |
15 | 23a1e6a |
hex | 186339a |
25572250 has 64 divisors (see below), whose sum is σ = 55396224. Its totient is φ = 8736000.
The previous prime is 25572227. The next prime is 25572257. The reversal of 25572250 is 5227552.
It is not an unprimeable number, because it can be changed into a prime (25572257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46477 + ... + 47023.
It is an arithmetic number, because the mean of its divisors is an integer number (865566).
Almost surely, 225572250 is an apocalyptic number.
25572250 is an abundant number, since it is smaller than the sum of its proper divisors (29823974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25572250 is a wasteful number, since it uses less digits than its factorization.
25572250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592 (or 582 counting only the distinct ones).
The product of its (nonzero) digits is 7000, while the sum is 28.
The square root of 25572250 is about 5056.9012250587. The cubic root of 25572250 is about 294.6159898541.
It can be divided in two parts, 25 and 572250, that added together give a palindrome (572275).
The spelling of 25572250 in words is "twenty-five million, five hundred seventy-two thousand, two hundred fifty".
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