Base | Representation |
---|---|
bin | 110000100110… |
… | …0101101100000 |
3 | 1202221112000220 |
4 | 1201030231200 |
5 | 23010330112 |
6 | 2310043040 |
7 | 426401544 |
oct | 141145540 |
9 | 52845026 |
10 | 25480032 |
11 | 13423586 |
12 | 8649480 |
13 | 5381856 |
14 | 3553a24 |
15 | 238498c |
hex | 184cb60 |
25480032 has 24 divisors (see below), whose sum is σ = 66885336. Its totient is φ = 8493312.
The previous prime is 25480027. The next prime is 25480051. The reversal of 25480032 is 23008452.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 25479984 and 25480011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132613 + ... + 132804.
It is an arithmetic number, because the mean of its divisors is an integer number (2786889).
Almost surely, 225480032 is an apocalyptic number.
It is an amenable number.
25480032 is an abundant number, since it is smaller than the sum of its proper divisors (41405304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25480032 is a wasteful number, since it uses less digits than its factorization.
25480032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265430 (or 265422 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 25480032 is about 5047.7749553640. The cubic root of 25480032 is about 294.2614177231.
Adding to 25480032 its reverse (23008452), we get a palindrome (48488484).
The spelling of 25480032 in words is "twenty-five million, four hundred eighty thousand, thirty-two".
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