Base | Representation |
---|---|
bin | 101111110111… |
… | …1010001110000 |
3 | 1202020002001200 |
4 | 1133233101300 |
5 | 22411103303 |
6 | 2253531200 |
7 | 423216024 |
oct | 137572160 |
9 | 52202050 |
10 | 25097328 |
11 | 13191aa3 |
12 | 84a3b00 |
13 | 52795b9 |
14 | 3494384 |
15 | 230b3a3 |
hex | 17ef470 |
25097328 has 60 divisors (see below), whose sum is σ = 73942440. Its totient is φ = 7924608.
The previous prime is 25097323. The next prime is 25097333. The reversal of 25097328 is 82379052.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (25097323) and next prime (25097333).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 25097292 and 25097301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25097323) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1851 + ... + 7322.
It is an arithmetic number, because the mean of its divisors is an integer number (1232374).
Almost surely, 225097328 is an apocalyptic number.
It is an amenable number.
25097328 is an abundant number, since it is smaller than the sum of its proper divisors (48845112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25097328 is a wasteful number, since it uses less digits than its factorization.
25097328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9206 (or 9197 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 25097328 is about 5009.7233456549. The cubic root of 25097328 is about 292.7807341977.
It can be divided in two parts, 250973 and 28, that added together give a square (251001 = 5012).
The spelling of 25097328 in words is "twenty-five million, ninety-seven thousand, three hundred twenty-eight".
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