Base | Representation |
---|---|
bin | 101010010101… |
… | …0010100010110 |
3 | 1112202112122220 |
4 | 1110222110112 |
5 | 21140142210 |
6 | 2111403210 |
7 | 356432610 |
oct | 124522426 |
9 | 45675586 |
10 | 22193430 |
11 | 11589286 |
12 | 7523506 |
13 | 47a090c |
14 | 2d39db0 |
15 | 1e35c70 |
hex | 152a516 |
22193430 has 32 divisors (see below), whose sum is σ = 60873984. Its totient is φ = 5072736.
The previous prime is 22193419. The next prime is 22193441. The reversal of 22193430 is 3439122.
It is an interprime number because it is at equal distance from previous prime (22193419) and next prime (22193441).
It is a self number, because there is not a number n which added to its sum of digits gives 22193430.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52632 + ... + 53051.
It is an arithmetic number, because the mean of its divisors is an integer number (1902312).
Almost surely, 222193430 is an apocalyptic number.
22193430 is an abundant number, since it is smaller than the sum of its proper divisors (38680554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22193430 is a wasteful number, since it uses less digits than its factorization.
22193430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105700.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 22193430 is about 4710.9903417434. The cubic root of 22193430 is about 281.0227477859.
The spelling of 22193430 in words is "twenty-two million, one hundred ninety-three thousand, four hundred thirty".
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