Base | Representation |
---|---|
bin | 11101100110010… |
… | …01010101001110 |
3 | 122022012100220201 |
4 | 32303021111032 |
5 | 1002030213330 |
6 | 40345404114 |
7 | 6103263304 |
oct | 1663112516 |
9 | 568170821 |
10 | 248288590 |
11 | 118174990 |
12 | 6b19963a |
13 | 3c593734 |
14 | 24d92274 |
15 | 16be6eca |
hex | ecc954e |
248288590 has 16 divisors (see below), whose sum is σ = 487548720. Its totient is φ = 90286720.
The previous prime is 248288581. The next prime is 248288597. The reversal of 248288590 is 95882842.
It is a self number, because there is not a number n which added to its sum of digits gives 248288590.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248288597) 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, 1128475 + ... + 1128694.
It is an arithmetic number, because the mean of its divisors is an integer number (30471795).
Almost surely, 2248288590 is an apocalyptic number.
248288590 is a deficient number, since it is larger than the sum of its proper divisors (239260130).
248288590 is a wasteful number, since it uses less digits than its factorization.
248288590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2257187.
The product of its (nonzero) digits is 368640, while the sum is 46.
The square root of 248288590 is about 15757.1758256358. The cubic root of 248288590 is about 628.5197379030.
The spelling of 248288590 in words is "two hundred forty-eight million, two hundred eighty-eight thousand, five hundred ninety".
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