Base | Representation |
---|---|
bin | 11110010001010… |
… | …00111001111101 |
3 | 122200210121210101 |
4 | 33020220321331 |
5 | 1010001013231 |
6 | 41110241101 |
7 | 6202211056 |
oct | 1710507175 |
9 | 580717711 |
10 | 253922941 |
11 | 120373078 |
12 | 71056191 |
13 | 407b717c |
14 | 25a1b72d |
15 | 1745b661 |
hex | f228e7d |
253922941 has 2 divisors, whose sum is σ = 253922942. Its totient is φ = 253922940.
The previous prime is 253922899. The next prime is 253922957. The reversal of 253922941 is 149229352.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 160123716 + 93799225 = 12654^2 + 9685^2 .
It is a cyclic number.
It is not a de Polignac number, because 253922941 - 215 = 253890173 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 253922941.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (253920941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126961470 + 126961471.
It is an arithmetic number, because the mean of its divisors is an integer number (126961471).
Almost surely, 2253922941 is an apocalyptic number.
It is an amenable number.
253922941 is a deficient number, since it is larger than the sum of its proper divisors (1).
253922941 is an equidigital number, since it uses as much as digits as its factorization.
253922941 is an evil number, because the sum of its binary digits is even.
The product of its digits is 38880, while the sum is 37.
The square root of 253922941 is about 15934.9597112763. The cubic root of 253922941 is about 633.2385024835.
The spelling of 253922941 in words is "two hundred fifty-three million, nine hundred twenty-two thousand, nine hundred forty-one".
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