Base | Representation |
---|---|
bin | 1000010001101000… |
… | …1010101011111110 |
3 | 12201211001110022010 |
4 | 2010122022223332 |
5 | 14022142431110 |
6 | 1004233232050 |
7 | 106023013350 |
oct | 20432125376 |
9 | 5654043263 |
10 | 2221452030 |
11 | a3aa51876 |
12 | 51bb62626 |
13 | 295302975 |
14 | 1710630d0 |
15 | d0058020 |
hex | 8468aafe |
2221452030 has 64 divisors (see below), whose sum is σ = 6097747968. Its totient is φ = 507375360.
The previous prime is 2221451983. The next prime is 2221452031. The reversal of 2221452030 is 302541222.
2221452030 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 2×22214520302 = 9869698243182241800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 2221451988 and 2221452006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221452031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346050 + ... + 352410.
It is an arithmetic number, because the mean of its divisors is an integer number (95277312).
Almost surely, 22221452030 is an apocalyptic number.
2221452030 is an abundant number, since it is smaller than the sum of its proper divisors (3876295938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221452030 is a wasteful number, since it uses less digits than its factorization.
2221452030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8041.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 2221452030 is about 47132.2822490064. The cubic root of 2221452030 is about 1304.8051029387.
Adding to 2221452030 its reverse (302541222), we get a palindrome (2523993252).
The spelling of 2221452030 in words is "two billion, two hundred twenty-one million, four hundred fifty-two thousand, thirty".
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