Base | Representation |
---|---|
bin | 11110001000110001110000 |
3 | 112212101010200 |
4 | 132020301300 |
5 | 4010302042 |
6 | 441155200 |
7 | 124102602 |
oct | 36106160 |
9 | 15771120 |
10 | 7900272 |
11 | 4506656 |
12 | 278bb00 |
13 | 1837c23 |
14 | 1099172 |
15 | a60c4c |
hex | 788c70 |
7900272 has 60 divisors (see below), whose sum is σ = 22410024. Its totient is φ = 2597760.
The previous prime is 7900253. The next prime is 7900273. The reversal of 7900272 is 2720097.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7900273) 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, 11622 + ... + 12282.
Almost surely, 27900272 is an apocalyptic number.
7900272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7900272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11205012).
7900272 is an abundant number, since it is smaller than the sum of its proper divisors (14509752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7900272 is a wasteful number, since it uses less digits than its factorization.
7900272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 758 (or 749 counting only the distinct ones).
The product of its (nonzero) digits is 1764, while the sum is 27.
The square root of 7900272 is about 2810.7422507231. The cubic root of 7900272 is about 199.1654558573.
The spelling of 7900272 in words is "seven million, nine hundred thousand, two hundred seventy-two".
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