Base | Representation |
---|---|
bin | 101111110011… |
… | …1111000111110 |
3 | 1202011112120000 |
4 | 1133213320332 |
5 | 22404121240 |
6 | 2253135130 |
7 | 423031560 |
oct | 137477076 |
9 | 52145500 |
10 | 25067070 |
11 | 13171296 |
12 | 848a4a6 |
13 | 52688b2 |
14 | 3487330 |
15 | 2302430 |
hex | 17e7e3e |
25067070 has 80 divisors (see below), whose sum is σ = 77048928. Its totient is φ = 5728320.
The previous prime is 25067069. The next prime is 25067083. The reversal of 25067070 is 7076052.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3460 + ... + 7880.
Almost surely, 225067070 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25067070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38524464).
25067070 is an abundant number, since it is smaller than the sum of its proper divisors (51981858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25067070 is a wasteful number, since it uses less digits than its factorization.
25067070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4447 (or 4438 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 25067070 is about 5006.7025076391. The cubic root of 25067070 is about 292.6630254913.
The spelling of 25067070 in words is "twenty-five million, sixty-seven thousand, seventy".
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