Base | Representation |
---|---|
bin | 11101100111000… |
… | …10000110000010 |
3 | 122022101112001022 |
4 | 32303202012002 |
5 | 1002041440033 |
6 | 40351505442 |
7 | 6104165102 |
oct | 1663420602 |
9 | 568345038 |
10 | 248390018 |
11 | 118234108 |
12 | 6b228282 |
13 | 3c5ca956 |
14 | 24dbb202 |
15 | 16c17098 |
hex | ece2182 |
248390018 has 16 divisors (see below), whose sum is σ = 397059840. Its totient is φ = 116266656.
The previous prime is 248389997. The next prime is 248390047. The reversal of 248390018 is 810093842.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 248390018.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55283 + ... + 59606.
It is an arithmetic number, because the mean of its divisors is an integer number (24816240).
Almost surely, 2248390018 is an apocalyptic number.
248390018 is a deficient number, since it is larger than the sum of its proper divisors (148669822).
248390018 is a wasteful number, since it uses less digits than its factorization.
248390018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114961.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 248390018 is about 15760.3939671570. The cubic root of 248390018 is about 628.6053114705.
The spelling of 248390018 in words is "two hundred forty-eight million, three hundred ninety thousand, eighteen".
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