Base | Representation |
---|---|
bin | 101111111101… |
… | …0001111101110 |
3 | 1202022100200121 |
4 | 1133322033232 |
5 | 22414023004 |
6 | 2254515154 |
7 | 423464014 |
oct | 137721756 |
9 | 52270617 |
10 | 25142254 |
11 | 13212825 |
12 | 8505aba |
13 | 5293b97 |
14 | 34a68b4 |
15 | 2319854 |
hex | 17fa3ee |
25142254 has 4 divisors (see below), whose sum is σ = 37713384. Its totient is φ = 12571126.
The previous prime is 25142251. The next prime is 25142281. The reversal of 25142254 is 45224152.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25142251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285562 + ... + 6285565.
It is an arithmetic number, because the mean of its divisors is an integer number (9428346).
Almost surely, 225142254 is an apocalyptic number.
25142254 is a deficient number, since it is larger than the sum of its proper divisors (12571130).
25142254 is a wasteful number, since it uses less digits than its factorization.
25142254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12571129.
The product of its digits is 3200, while the sum is 25.
The square root of 25142254 is about 5014.2052211692. The cubic root of 25142254 is about 292.9553294975.
The spelling of 25142254 in words is "twenty-five million, one hundred forty-two thousand, two hundred fifty-four".
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