Base | Representation |
---|---|
bin | 10100110100001111001000 |
3 | 101021020101012 |
4 | 110310033020 |
5 | 2344104330 |
6 | 312543052 |
7 | 64245104 |
oct | 24641710 |
9 | 11236335 |
10 | 5456840 |
11 | 3097894 |
12 | 19b1a88 |
13 | 11909cc |
14 | a20904 |
15 | 72bc95 |
hex | 5343c8 |
5456840 has 16 divisors (see below), whose sum is σ = 12277980. Its totient is φ = 2182720.
The previous prime is 5456839. The next prime is 5456861. The reversal of 5456840 is 486545.
It can be written as a sum of positive squares in 2 ways, for example, as 4813636 + 643204 = 2194^2 + 802^2 .
It is a junction number, because it is equal to n+sod(n) for n = 5456797 and 5456806.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68171 + ... + 68250.
Almost surely, 25456840 is an apocalyptic number.
It is an amenable number.
5456840 is an abundant number, since it is smaller than the sum of its proper divisors (6821140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5456840 is a wasteful number, since it uses less digits than its factorization.
5456840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136432 (or 136428 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 32.
The square root of 5456840 is about 2335.9880136679. The cubic root of 5456840 is about 176.0544769378.
The spelling of 5456840 in words is "five million, four hundred fifty-six thousand, eight hundred forty".
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