Base | Representation |
---|---|
bin | 101111110010… |
… | …0111101011110 |
3 | 1202010221002120 |
4 | 1133210331132 |
5 | 22403230240 |
6 | 2253003410 |
7 | 422651565 |
oct | 137447536 |
9 | 52127076 |
10 | 25055070 |
11 | 13163277 |
12 | 8483566 |
13 | 52632b1 |
14 | 3482bdc |
15 | 22edad0 |
hex | 17e4f5e |
25055070 has 32 divisors (see below), whose sum is σ = 60734880. Its totient is φ = 6614400.
The previous prime is 25055033. The next prime is 25055077. The reversal of 25055070 is 7055052.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 25055070.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25055077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105 + ... + 7164.
It is an arithmetic number, because the mean of its divisors is an integer number (1897965).
Almost surely, 225055070 is an apocalyptic number.
25055070 is an abundant number, since it is smaller than the sum of its proper divisors (35679810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25055070 is a wasteful number, since it uses less digits than its factorization.
25055070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8380.
The product of its (nonzero) digits is 1750, while the sum is 24.
The square root of 25055070 is about 5005.5039706307. The cubic root of 25055070 is about 292.6163172420.
The spelling of 25055070 in words is "twenty-five million, fifty-five thousand, seventy".
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