Base | Representation |
---|---|
bin | 1010110000101… |
… | …0101101001100 |
3 | 10010220222022112 |
4 | 2230022231030 |
5 | 43023220440 |
6 | 4251203152 |
7 | 1055422661 |
oct | 254125514 |
9 | 103828275 |
10 | 45132620 |
11 | 23526895 |
12 | 131464b8 |
13 | 9472ac0 |
14 | 5dcba68 |
15 | 3e67965 |
hex | 2b0ab4c |
45132620 has 48 divisors (see below), whose sum is σ = 108083808. Its totient is φ = 15682560.
The previous prime is 45132617. The next prime is 45132653. The reversal of 45132620 is 2623154.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686 + ... + 9525.
It is an arithmetic number, because the mean of its divisors is an integer number (2251746).
Almost surely, 245132620 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 45132620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54041904).
45132620 is an abundant number, since it is smaller than the sum of its proper divisors (62951188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45132620 is a wasteful number, since it uses less digits than its factorization.
45132620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10250 (or 10248 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 45132620 is about 6718.0815714012. The cubic root of 45132620 is about 356.0384064107.
Adding to 45132620 its reverse (2623154), we get a palindrome (47755774).
The spelling of 45132620 in words is "forty-five million, one hundred thirty-two thousand, six hundred twenty".
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