Base | Representation |
---|---|
bin | 10000101011011… |
… | …101111000100101 |
3 | 201111112211200001 |
4 | 100223131320211 |
5 | 1033114030203 |
6 | 43433421301 |
7 | 6635342026 |
oct | 2053357045 |
9 | 644484601 |
10 | 279830053 |
11 | 133a58508 |
12 | 7986a831 |
13 | 45c88219 |
14 | 29242c4d |
15 | 1987791d |
hex | 10adde25 |
279830053 has 2 divisors, whose sum is σ = 279830054. Its totient is φ = 279830052.
The previous prime is 279830027. The next prime is 279830069. The reversal of 279830053 is 350038972.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 219099204 + 60730849 = 14802^2 + 7793^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-279830053 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 279829994 and 279830021.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (279830003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139915026 + 139915027.
It is an arithmetic number, because the mean of its divisors is an integer number (139915027).
Almost surely, 2279830053 is an apocalyptic number.
It is an amenable number.
279830053 is a deficient number, since it is larger than the sum of its proper divisors (1).
279830053 is an equidigital number, since it uses as much as digits as its factorization.
279830053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 279830053 is about 16728.1216219873. The cubic root of 279830053 is about 654.0808762248.
The spelling of 279830053 in words is "two hundred seventy-nine million, eight hundred thirty thousand, fifty-three".
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