Base | Representation |
---|---|
bin | 100101000101001… |
… | …101010010010010 |
3 | 1121100122002010101 |
4 | 211011031102102 |
5 | 2233230402010 |
6 | 141422123014 |
7 | 21262644100 |
oct | 4505152222 |
9 | 1540562111 |
10 | 622122130 |
11 | 29a198623 |
12 | 15442046a |
13 | 9bb72c06 |
14 | 5c8a4c70 |
15 | 3993c73a |
hex | 2514d492 |
622122130 has 72 divisors (see below), whose sum is σ = 1375207308. Its totient is φ = 202015296.
The previous prime is 622122097. The next prime is 622122169. The reversal of 622122130 is 31221226.
It can be written as a sum of positive squares in 2 ways, for example, as 592386921 + 29735209 = 24339^2 + 5453^2 .
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 622122098 and 622122107.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 175132 + ... + 178648.
Almost surely, 2622122130 is an apocalyptic number.
622122130 is an abundant number, since it is smaller than the sum of its proper divisors (753085178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
622122130 is a wasteful number, since it uses less digits than its factorization.
622122130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3576 (or 3550 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 622122130 is about 24942.3761899303. The cubic root of 622122130 is about 853.6736637222.
Adding to 622122130 its reverse (31221226), we get a palindrome (653343356).
The spelling of 622122130 in words is "six hundred twenty-two million, one hundred twenty-two thousand, one hundred thirty".
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