Base | Representation |
---|---|
bin | 11110001010001… |
… | …11101001010110 |
3 | 122122001202010200 |
4 | 33011013221112 |
5 | 1004232002103 |
6 | 41034401330 |
7 | 6161316066 |
oct | 1705075126 |
9 | 578052120 |
10 | 253000278 |
11 | 11a8a2943 |
12 | 70890246 |
13 | 4055320b |
14 | 2585b3a6 |
15 | 173280a3 |
hex | f147a56 |
253000278 has 12 divisors (see below), whose sum is σ = 548167308. Its totient is φ = 84333420.
The previous prime is 253000277. The next prime is 253000289. The reversal of 253000278 is 872000352.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253000277) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7027768 + ... + 7027803.
It is an arithmetic number, because the mean of its divisors is an integer number (45680609).
Almost surely, 2253000278 is an apocalyptic number.
253000278 is an abundant number, since it is smaller than the sum of its proper divisors (295167030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253000278 is a wasteful number, since it uses less digits than its factorization.
253000278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14055579 (or 14055576 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 253000278 is about 15905.9824594396. The cubic root of 253000278 is about 632.4705859975.
The spelling of 253000278 in words is "two hundred fifty-three million, two hundred seventy-eight", and thus it is an aban number.
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