Base | Representation |
---|---|
bin | 1010111001100… |
… | …1110011111100 |
3 | 10012000202101011 |
4 | 2232121303330 |
5 | 43201000110 |
6 | 4311525004 |
7 | 1063413622 |
oct | 256316374 |
9 | 105022334 |
10 | 45718780 |
11 | 23897218 |
12 | 13389764 |
13 | 9619843 |
14 | 6101512 |
15 | 403148a |
hex | 2b99cfc |
45718780 has 48 divisors (see below), whose sum is σ = 103856256. Its totient is φ = 16839680.
The previous prime is 45718759. The next prime is 45718789. The reversal of 45718780 is 8781754.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45718789) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14550 + ... + 17410.
It is an arithmetic number, because the mean of its divisors is an integer number (2163672).
Almost surely, 245718780 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 45718780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51928128).
45718780 is an abundant number, since it is smaller than the sum of its proper divisors (58137476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45718780 is a wasteful number, since it uses less digits than its factorization.
45718780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2934 (or 2932 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 40.
The square root of 45718780 is about 6761.5663865705. The cubic root of 45718780 is about 357.5731312402.
The spelling of 45718780 in words is "forty-five million, seven hundred eighteen thousand, seven hundred eighty".
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