Base | Representation |
---|---|
bin | 110001000101… |
… | …0100001110000 |
3 | 1210102101100200 |
4 | 1202022201300 |
5 | 23041430412 |
6 | 2315315200 |
7 | 431505000 |
oct | 142124160 |
9 | 53371320 |
10 | 25733232 |
11 | 13586838 |
12 | 874bb00 |
13 | 543cb85 |
14 | 35bc000 |
15 | 23d49dc |
hex | 188a870 |
25733232 has 120 divisors (see below), whose sum is σ = 84146400. Its totient is φ = 7338240.
The previous prime is 25733207. The next prime is 25733233. The reversal of 25733232 is 23233752.
It is a junction number, because it is equal to n+sod(n) for n = 25733196 and 25733205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25733233) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49132 + ... + 49652.
It is an arithmetic number, because the mean of its divisors is an integer number (701220).
Almost surely, 225733232 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 25733232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42073200).
25733232 is an abundant number, since it is smaller than the sum of its proper divisors (58413168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25733232 is a wasteful number, since it uses less digits than its factorization.
25733232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556 (or 533 counting only the distinct ones).
The product of its digits is 7560, while the sum is 27.
The square root of 25733232 is about 5072.7933133531. The cubic root of 25733232 is about 295.2329176503.
Adding to 25733232 its reverse (23233752), we get a palindrome (48966984).
It can be divided in two parts, 257 and 33232, that added together give a square (33489 = 1832).
The spelling of 25733232 in words is "twenty-five million, seven hundred thirty-three thousand, two hundred thirty-two".
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