Base | Representation |
---|---|
bin | 11101101001101… |
… | …10110001110000 |
3 | 122100001010212001 |
4 | 32310312301300 |
5 | 1002134040010 |
6 | 40403143344 |
7 | 6110141260 |
oct | 1664666160 |
9 | 570033761 |
10 | 248736880 |
11 | 118450777 |
12 | 6b374b54 |
13 | 3c6bc7b2 |
14 | 2506b7a0 |
15 | 16c84c3a |
hex | ed36c70 |
248736880 has 40 divisors (see below), whose sum is σ = 660930912. Its totient is φ = 85281024.
The previous prime is 248736869. The next prime is 248736883. The reversal of 248736880 is 88637842.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 248736880.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248736883) 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, 221527 + ... + 222646.
Almost surely, 2248736880 is an apocalyptic number.
248736880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
248736880 is an abundant number, since it is smaller than the sum of its proper divisors (412194032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248736880 is a wasteful number, since it uses less digits than its factorization.
248736880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 444193 (or 444187 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 46.
The square root of 248736880 is about 15771.3943581409. The cubic root of 248736880 is about 628.8977787805.
The spelling of 248736880 in words is "two hundred forty-eight million, seven hundred thirty-six thousand, eight hundred eighty".
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