Base | Representation |
---|---|
bin | 11101010011001101101000 |
3 | 112110020011202 |
4 | 131103031220 |
5 | 3431241442 |
6 | 432343332 |
7 | 122200133 |
oct | 35231550 |
9 | 15406152 |
10 | 7680872 |
11 | 4376831 |
12 | 26a4b48 |
13 | 178c0c4 |
14 | 103d21a |
15 | a1ac32 |
hex | 753368 |
7680872 has 16 divisors (see below), whose sum is σ = 15249060. Its totient is φ = 3614464.
The previous prime is 7680863. The next prime is 7680877. The reversal of 7680872 is 2780867.
It can be written as a sum of positive squares in 2 ways, for example, as 7474756 + 206116 = 2734^2 + 454^2 .
It is not an unprimeable number, because it can be changed into a prime (7680877) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28103 + ... + 28374.
Almost surely, 27680872 is an apocalyptic number.
It is an amenable number.
7680872 is a deficient number, since it is larger than the sum of its proper divisors (7568188).
7680872 is a wasteful number, since it uses less digits than its factorization.
7680872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56500 (or 56496 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 38.
The square root of 7680872 is about 2771.4386155930. The cubic root of 7680872 is about 197.3044328060.
The spelling of 7680872 in words is "seven million, six hundred eighty thousand, eight hundred seventy-two".
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