Base | Representation |
---|---|
bin | 1101011101010… |
… | …1010000011110 |
3 | 10221012212010210 |
4 | 3113111100132 |
5 | 103422314110 |
6 | 5333513250 |
7 | 1253541342 |
oct | 327252036 |
9 | 127185123 |
10 | 56448030 |
11 | 29955271 |
12 | 16aa2826 |
13 | b905302 |
14 | 76d5622 |
15 | 4e50520 |
hex | 35d541e |
56448030 has 16 divisors (see below), whose sum is σ = 135475344. Its totient is φ = 15052800.
The previous prime is 56448013. The next prime is 56448037. The reversal of 56448030 is 3084465.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1881601 = 56448030 / (5 + 6 + 4 + 4 + 8 + 0 + 3 + 0).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56448037) 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, 940771 + ... + 940830.
It is an arithmetic number, because the mean of its divisors is an integer number (8467209).
Almost surely, 256448030 is an apocalyptic number.
56448030 is an abundant number, since it is smaller than the sum of its proper divisors (79027314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56448030 is a wasteful number, since it uses less digits than its factorization.
56448030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1881611.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 56448030 is about 7513.1904008883. The cubic root of 56448030 is about 383.6038258899.
The spelling of 56448030 in words is "fifty-six million, four hundred forty-eight thousand, thirty".
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