Base | Representation |
---|---|
bin | 101111110000… |
… | …1110011100010 |
3 | 1202010021100220 |
4 | 1133201303202 |
5 | 22402322041 |
6 | 2252423510 |
7 | 422566113 |
oct | 137416342 |
9 | 52107326 |
10 | 25042146 |
11 | 13154598 |
12 | 8477b96 |
13 | 525a44c |
14 | 347c20a |
15 | 22e9d66 |
hex | 17e1ce2 |
25042146 has 16 divisors (see below), whose sum is σ = 50232000. Its totient is φ = 8322768.
The previous prime is 25042123. The next prime is 25042153. The reversal of 25042146 is 64124052.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3886 + ... + 8073.
It is an arithmetic number, because the mean of its divisors is an integer number (3139500).
Almost surely, 225042146 is an apocalyptic number.
25042146 is an abundant number, since it is smaller than the sum of its proper divisors (25189854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25042146 is a wasteful number, since it uses less digits than its factorization.
25042146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12313.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 25042146 is about 5004.2128252104. The cubic root of 25042146 is about 292.5659957740.
Adding to 25042146 its reverse (64124052), we get a palindrome (89166198).
The spelling of 25042146 in words is "twenty-five million, forty-two thousand, one hundred forty-six".
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