Base | Representation |
---|---|
bin | 110001010100… |
… | …0000000010010 |
3 | 1210122111222110 |
4 | 1202220000102 |
5 | 23104311340 |
6 | 2322050150 |
7 | 432520002 |
oct | 142500022 |
9 | 53574873 |
10 | 25853970 |
11 | 1365951a |
12 | 87a9956 |
13 | 5482b0c |
14 | 3610002 |
15 | 240a680 |
hex | 18a8012 |
25853970 has 16 divisors (see below), whose sum is σ = 62049600. Its totient is φ = 6894384.
The previous prime is 25853959. The next prime is 25853999. The reversal of 25853970 is 7935852.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430870 + ... + 430929.
It is an arithmetic number, because the mean of its divisors is an integer number (3878100).
Almost surely, 225853970 is an apocalyptic number.
25853970 is an abundant number, since it is smaller than the sum of its proper divisors (36195630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25853970 is a wasteful number, since it uses less digits than its factorization.
25853970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 861809.
The product of its (nonzero) digits is 75600, while the sum is 39.
The square root of 25853970 is about 5084.6799309298. The cubic root of 25853970 is about 295.6939327800.
It can be divided in two parts, 2585 and 3970, that added together give a triangular number (6555 = T114).
The spelling of 25853970 in words is "twenty-five million, eight hundred fifty-three thousand, nine hundred seventy".
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