Base | Representation |
---|---|
bin | 11110010111101000000000 |
3 | 112222110120010 |
4 | 132113220000 |
5 | 4014223323 |
6 | 442344520 |
7 | 124445112 |
oct | 36275000 |
9 | 15873503 |
10 | 7961088 |
11 | 4548313 |
12 | 27bb140 |
13 | 1859805 |
14 | 10b33b2 |
15 | a73c93 |
hex | 797a00 |
7961088 has 80 divisors (see below), whose sum is σ = 21802176. Its totient is φ = 2580480.
The previous prime is 7961087. The next prime is 7961101. The reversal of 7961088 is 8801697.
It is a Smith number, since the sum of its digits (39) 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 (7961087) 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, 109020 + ... + 109092.
Almost surely, 27961088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7961088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10901088).
7961088 is an abundant number, since it is smaller than the sum of its proper divisors (13841088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7961088 is an equidigital number, since it uses as much as digits as its factorization.
7961088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 39.
The square root of 7961088 is about 2821.5400050327. The cubic root of 7961088 is about 199.6752061637.
The spelling of 7961088 in words is "seven million, nine hundred sixty-one thousand, eighty-eight".
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