Base | Representation |
---|---|
bin | 1010110010111… |
… | …0111011001001 |
3 | 10011012111210221 |
4 | 2230232323021 |
5 | 43042442334 |
6 | 4254310041 |
7 | 1056611326 |
oct | 254567311 |
9 | 104174727 |
10 | 45280969 |
11 | 23618298 |
12 | 131b8321 |
13 | 94c5496 |
14 | 6029b4d |
15 | 3e968b4 |
hex | 2b2eec9 |
45280969 has 2 divisors, whose sum is σ = 45280970. Its totient is φ = 45280968.
The previous prime is 45280967. The next prime is 45280993. The reversal of 45280969 is 96908254.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25806400 + 19474569 = 5080^2 + 4413^2 .
It is a cyclic number.
It is not a de Polignac number, because 45280969 - 21 = 45280967 is a prime.
It is a super-2 number, since 2×452809692 = 4100732307157922, which contains 22 as substring.
Together with 45280967, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (45280967) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22640484 + 22640485.
It is an arithmetic number, because the mean of its divisors is an integer number (22640485).
Almost surely, 245280969 is an apocalyptic number.
It is an amenable number.
45280969 is a deficient number, since it is larger than the sum of its proper divisors (1).
45280969 is an equidigital number, since it uses as much as digits as its factorization.
45280969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 45280969 is about 6729.1135374580. The cubic root of 45280969 is about 356.4280741417.
The spelling of 45280969 in words is "forty-five million, two hundred eighty thousand, nine hundred sixty-nine".
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