Base | Representation |
---|---|
bin | 11010010010110… |
… | …10000110111100 |
3 | 120101001010012220 |
4 | 31021122012330 |
5 | 422431220134 |
6 | 33515325340 |
7 | 5315546232 |
oct | 1511320674 |
9 | 511033186 |
10 | 220570044 |
11 | 1035625a2 |
12 | 61a50850 |
13 | 3690a026 |
14 | 21418952 |
15 | 1456e149 |
hex | d25a1bc |
220570044 has 24 divisors (see below), whose sum is σ = 518719488. Its totient is φ = 72943920.
The previous prime is 220570043. The next prime is 220570067. The reversal of 220570044 is 440075022.
220570044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2205700442 = 97302288620323872, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 220569996 and 220570023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220570043) 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, 70842 + ... + 73889.
It is an arithmetic number, because the mean of its divisors is an integer number (21613312).
Almost surely, 2220570044 is an apocalyptic number.
It is an amenable number.
220570044 is an abundant number, since it is smaller than the sum of its proper divisors (298149444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220570044 is a wasteful number, since it uses less digits than its factorization.
220570044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144865 (or 144863 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 24.
The square root of 220570044 is about 14851.6007218077. The cubic root of 220570044 is about 604.2020251638.
The spelling of 220570044 in words is "two hundred twenty million, five hundred seventy thousand, forty-four".
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