Base | Representation |
---|---|
bin | 110000011010… |
… | …0011011011100 |
3 | 1202202110121012 |
4 | 1200310123130 |
5 | 22444134242 |
6 | 2303554352 |
7 | 425505560 |
oct | 140643334 |
9 | 52673535 |
10 | 25380572 |
11 | 13365888 |
12 | 85bb9b8 |
13 | 53484b9 |
14 | 35296a0 |
15 | 2365282 |
hex | 18346dc |
25380572 has 24 divisors (see below), whose sum is σ = 50956416. Its totient is φ = 10835568.
The previous prime is 25380571. The next prime is 25380577. The reversal of 25380572 is 27508352.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25380571) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6323 + ... + 9525.
It is an arithmetic number, because the mean of its divisors is an integer number (2123184).
Almost surely, 225380572 is an apocalyptic number.
It is an amenable number.
25380572 is an abundant number, since it is smaller than the sum of its proper divisors (25575844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25380572 is a wasteful number, since it uses less digits than its factorization.
25380572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3497 (or 3495 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 32.
The square root of 25380572 is about 5037.9134569780. The cubic root of 25380572 is about 293.8780403335.
It can be divided in two parts, 25380 and 572, that added together give a palindrome (25952).
The spelling of 25380572 in words is "twenty-five million, three hundred eighty thousand, five hundred seventy-two".
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