Base | Representation |
---|---|
bin | 1111100100100… |
… | …10100101001110 |
3 | 100002210101012100 |
4 | 13302102211032 |
5 | 231414430242 |
6 | 20543415530 |
7 | 3144166320 |
oct | 762224516 |
9 | 302711170 |
10 | 130623822 |
11 | 6780867a |
12 | 378b45a6 |
13 | 210a6704 |
14 | 134c3610 |
15 | b70354c |
hex | 7c9294e |
130623822 has 48 divisors (see below), whose sum is σ = 340479360. Its totient is φ = 35356176.
The previous prime is 130623821. The next prime is 130623833. The reversal of 130623822 is 228326031.
130623822 is a `hidden beast` number, since 1 + 30 + 623 + 8 + 2 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130623821) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24888 + ... + 29675.
It is an arithmetic number, because the mean of its divisors is an integer number (7093320).
Almost surely, 2130623822 is an apocalyptic number.
130623822 is an abundant number, since it is smaller than the sum of its proper divisors (209855538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130623822 is a wasteful number, since it uses less digits than its factorization.
130623822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54597 (or 54594 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 130623822 is about 11429.0779155626. The cubic root of 130623822 is about 507.3887055650.
Adding to 130623822 its reverse (228326031), we get a palindrome (358949853).
The spelling of 130623822 in words is "one hundred thirty million, six hundred twenty-three thousand, eight hundred twenty-two".
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