Base | Representation |
---|---|
bin | 101111111101… |
… | …0011010100010 |
3 | 1202022101122020 |
4 | 1133322122202 |
5 | 22414033241 |
6 | 2254522310 |
7 | 423466023 |
oct | 137723242 |
9 | 52271566 |
10 | 25142946 |
11 | 132132a4 |
12 | 8506396 |
13 | 52942aa |
14 | 34a6c4a |
15 | 2319b66 |
hex | 17fa6a2 |
25142946 has 16 divisors (see below), whose sum is σ = 50995008. Its totient is φ = 8262800.
The previous prime is 25142927. The next prime is 25142989. The reversal of 25142946 is 64924152.
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, 29085 + ... + 29936.
It is an arithmetic number, because the mean of its divisors is an integer number (3187188).
Almost surely, 225142946 is an apocalyptic number.
25142946 is an abundant number, since it is smaller than the sum of its proper divisors (25852062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25142946 is a wasteful number, since it uses less digits than its factorization.
25142946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59097.
The product of its digits is 17280, while the sum is 33.
The square root of 25142946 is about 5014.2742246511. The cubic root of 25142946 is about 292.9580171805.
It can be divided in two parts, 2514 and 2946, that added together give a triangular number (5460 = T104).
The spelling of 25142946 in words is "twenty-five million, one hundred forty-two thousand, nine hundred forty-six".
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