Base | Representation |
---|---|
bin | 101110100000011… |
… | …010101111000101 |
3 | 2000101011210212010 |
4 | 232200122233011 |
5 | 3044221000203 |
6 | 205231244433 |
7 | 25223005332 |
oct | 5640325705 |
9 | 2011153763 |
10 | 780250053 |
11 | 370481460 |
12 | 199379719 |
13 | c585952b |
14 | 758a7989 |
15 | 48775303 |
hex | 2e81abc5 |
780250053 has 16 divisors (see below), whose sum is σ = 1136826432. Its totient is φ = 472080000.
The previous prime is 780250019. The next prime is 780250063. The reversal of 780250053 is 350052087.
It is a happy number.
780250053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 780250053 - 28 = 780249797 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 780250053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (780250063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163 + ... + 39503.
It is an arithmetic number, because the mean of its divisors is an integer number (71051652).
Almost surely, 2780250053 is an apocalyptic number.
It is an amenable number.
780250053 is a deficient number, since it is larger than the sum of its proper divisors (356576379).
780250053 is a wasteful number, since it uses less digits than its factorization.
780250053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39956.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 780250053 is about 27932.9563956270. The cubic root of 780250053 is about 920.6147643614.
The spelling of 780250053 in words is "seven hundred eighty million, two hundred fifty thousand, fifty-three".
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