Base | Representation |
---|---|
bin | 1010101111110… |
… | …0000100001010 |
3 | 10010210221001102 |
4 | 2223330010022 |
5 | 43014311100 |
6 | 4250021402 |
7 | 1055053100 |
oct | 253740412 |
9 | 103727042 |
10 | 45072650 |
11 | 23495827 |
12 | 13117862 |
13 | 945170c |
14 | 5db3c70 |
15 | 3e54cd5 |
hex | 2afc10a |
45072650 has 36 divisors (see below), whose sum is σ = 97527798. Its totient is φ = 15452640.
The previous prime is 45072647. The next prime is 45072673. The reversal of 45072650 is 5627054.
It can be written as a sum of positive squares in 3 ways, for example, as 41203561 + 3869089 = 6419^2 + 1967^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6749 + ... + 11648.
Almost surely, 245072650 is an apocalyptic number.
45072650 is an abundant number, since it is smaller than the sum of its proper divisors (52455148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45072650 is a wasteful number, since it uses less digits than its factorization.
45072650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18423 (or 18411 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 45072650 is about 6713.6167599886. The cubic root of 45072650 is about 355.8806410869.
The spelling of 45072650 in words is "forty-five million, seventy-two thousand, six hundred fifty".
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