Base | Representation |
---|---|
bin | 11011100111110100011010 |
3 | 111121212202200 |
4 | 123213310122 |
5 | 3323202421 |
6 | 415111030 |
7 | 115355514 |
oct | 33476432 |
9 | 14555680 |
10 | 7240986 |
11 | 40a6295 |
12 | 2512476 |
13 | 1666b0c |
14 | d66bb4 |
15 | 980726 |
hex | 6e7d1a |
7240986 has 12 divisors (see below), whose sum is σ = 15688842. Its totient is φ = 2413656.
The previous prime is 7240973. The next prime is 7240991. The reversal of 7240986 is 6890427.
It can be written as a sum of positive squares in only one way, i.e., 5377761 + 1863225 = 2319^2 + 1365^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 7240986.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201121 + ... + 201156.
Almost surely, 27240986 is an apocalyptic number.
7240986 is an abundant number, since it is smaller than the sum of its proper divisors (8447856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7240986 is a wasteful number, since it uses less digits than its factorization.
7240986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402285 (or 402282 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 7240986 is about 2690.9080251841. The cubic root of 7240986 is about 193.4635870829.
The spelling of 7240986 in words is "seven million, two hundred forty thousand, nine hundred eighty-six".
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