Base | Representation |
---|---|
bin | 1010110010111… |
… | …1111110100000 |
3 | 10011012201201121 |
4 | 2230233332200 |
5 | 43043112110 |
6 | 4254342024 |
7 | 1056630025 |
oct | 254577640 |
9 | 104181647 |
10 | 45285280 |
11 | 23620557 |
12 | 131ba914 |
13 | 94c7431 |
14 | 602b54c |
15 | 3e97cda |
hex | 2b2ffa0 |
45285280 has 48 divisors (see below), whose sum is σ = 113286600. Its totient is φ = 17047552.
The previous prime is 45285277. The next prime is 45285283. The reversal of 45285280 is 8258254.
It is an interprime number because it is at equal distance from previous prime (45285277) and next prime (45285283).
It can be written as a sum of positive squares in 4 ways, for example, as 43930384 + 1354896 = 6628^2 + 1164^2 .
It is a Harshad number since it is a multiple of its sum of digits (34).
It is not an unprimeable number, because it can be changed into a prime (45285283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 11044.
Almost surely, 245285280 is an apocalyptic number.
45285280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
45285280 is an abundant number, since it is smaller than the sum of its proper divisors (68001320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45285280 is a wasteful number, since it uses less digits than its factorization.
45285280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16681 (or 16673 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 34.
The square root of 45285280 is about 6729.4338543447. The cubic root of 45285280 is about 356.4393850942.
The spelling of 45285280 in words is "forty-five million, two hundred eighty-five thousand, two hundred eighty".
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