Base | Representation |
---|---|
bin | 1010101111100… |
… | …1110101110100 |
3 | 10010210110120000 |
4 | 2223321311310 |
5 | 43014013130 |
6 | 4245511300 |
7 | 1055014404 |
oct | 253716564 |
9 | 103713500 |
10 | 45063540 |
11 | 234899a5 |
12 | 13112530 |
13 | 944a522 |
14 | 5db0804 |
15 | 3e52260 |
hex | 2af9d74 |
45063540 has 60 divisors (see below), whose sum is σ = 141371076. Its totient is φ = 12016512.
The previous prime is 45063523. The next prime is 45063541. The reversal of 45063540 is 4536054.
It can be written as a sum of positive squares in 2 ways, for example, as 20738916 + 24324624 = 4554^2 + 4932^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45063541) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12289 + ... + 15528.
Almost surely, 245063540 is an apocalyptic number.
It is an amenable number.
45063540 is an abundant number, since it is smaller than the sum of its proper divisors (96307536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45063540 is a wasteful number, since it uses less digits than its factorization.
45063540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27838 (or 27827 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 45063540 is about 6712.9382538498. The cubic root of 45063540 is about 355.8566628275.
Adding to 45063540 its reverse (4536054), we get a palindrome (49599594).
The spelling of 45063540 in words is "forty-five million, sixty-three thousand, five hundred forty".
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