Base | Representation |
---|---|
bin | 1010111001010… |
… | …1010001111100 |
3 | 10011222210220202 |
4 | 2232111101330 |
5 | 43144401340 |
6 | 4311303032 |
7 | 1063305536 |
oct | 256252174 |
9 | 104883822 |
10 | 45700220 |
11 | 23884285 |
12 | 1337aa78 |
13 | 9611267 |
14 | 60d8856 |
15 | 402ac15 |
hex | 2b9547c |
45700220 has 24 divisors (see below), whose sum is σ = 97599600. Its totient is φ = 17969792.
The previous prime is 45700219. The next prime is 45700243. The reversal of 45700220 is 2200754.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 45700192 and 45700201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18185 + ... + 20544.
It is an arithmetic number, because the mean of its divisors is an integer number (4066650).
Almost surely, 245700220 is an apocalyptic number.
It is an amenable number.
45700220 is an abundant number, since it is smaller than the sum of its proper divisors (51899380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45700220 is a wasteful number, since it uses less digits than its factorization.
45700220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38797 (or 38795 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 20.
The square root of 45700220 is about 6760.1937842047. The cubic root of 45700220 is about 357.5247378842.
Adding to 45700220 its reverse (2200754), we get a palindrome (47900974).
The spelling of 45700220 in words is "forty-five million, seven hundred thousand, two hundred twenty".
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