Base | Representation |
---|---|
bin | 11110010001110… |
… | …11111001011000 |
3 | 122200221120111101 |
4 | 33020323321120 |
5 | 1010011010403 |
6 | 41112041144 |
7 | 6202653622 |
oct | 1710737130 |
9 | 580846441 |
10 | 254000728 |
11 | 120416563 |
12 | 710931b4 |
13 | 408136b7 |
14 | 25a3bc12 |
15 | 1747471d |
hex | f23be58 |
254000728 has 8 divisors (see below), whose sum is σ = 476251380. Its totient is φ = 127000360.
The previous prime is 254000717. The next prime is 254000729. The reversal of 254000728 is 827000452.
It is a tau number, because it is divible by the number of its divisors (8).
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 254000696 and 254000705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254000729) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15875038 + ... + 15875053.
Almost surely, 2254000728 is an apocalyptic number.
It is an amenable number.
254000728 is a deficient number, since it is larger than the sum of its proper divisors (222250652).
254000728 is a wasteful number, since it uses less digits than its factorization.
254000728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31750097 (or 31750093 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 28.
The square root of 254000728 is about 15937.4002898842. The cubic root of 254000728 is about 633.3031581807.
The spelling of 254000728 in words is "two hundred fifty-four million, seven hundred twenty-eight", and thus it is an aban number.
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