Base | Representation |
---|---|
bin | 101111111101… |
… | …0010011100000 |
3 | 1202022101000120 |
4 | 1133322103200 |
5 | 22414024441 |
6 | 2254520240 |
7 | 423464511 |
oct | 137722340 |
9 | 52271016 |
10 | 25142496 |
11 | 13212a25 |
12 | 8506080 |
13 | 5294022 |
14 | 34a6a08 |
15 | 2319966 |
hex | 17fa4e0 |
25142496 has 96 divisors (see below), whose sum is σ = 70398720. Its totient is φ = 7839744.
The previous prime is 25142489. The next prime is 25142501. The reversal of 25142496 is 69424152.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×251424962 = 1264290210220032, which contains 22 as substring.
Its product of digits (17280) is a multiple of the sum of its prime factors (288).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130176 + ... + 130368.
It is an arithmetic number, because the mean of its divisors is an integer number (733320).
Almost surely, 225142496 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25142496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35199360).
25142496 is an abundant number, since it is smaller than the sum of its proper divisors (45256224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25142496 is a wasteful number, since it uses less digits than its factorization.
25142496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288 (or 280 counting only the distinct ones).
The product of its digits is 17280, while the sum is 33.
The square root of 25142496 is about 5014.2293525526. The cubic root of 25142496 is about 292.9562694154.
The spelling of 25142496 in words is "twenty-five million, one hundred forty-two thousand, four hundred ninety-six".
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