Base | Representation |
---|---|
bin | 101010010101… |
… | …0010000100110 |
3 | 1112202112100000 |
4 | 1110222100212 |
5 | 21140140230 |
6 | 2111402130 |
7 | 356432115 |
oct | 124522046 |
9 | 45675300 |
10 | 22193190 |
11 | 11589088 |
12 | 7523346 |
13 | 47a0786 |
14 | 2d39c7c |
15 | 1e35b60 |
hex | 152a426 |
22193190 has 48 divisors (see below), whose sum is σ = 59845968. Its totient is φ = 5917536.
The previous prime is 22193189. The next prime is 22193201. The reversal of 22193190 is 9139122.
It is a super-2 number, since 2×221931902 = 985075364752200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2137 + ... + 6996.
It is an arithmetic number, because the mean of its divisors is an integer number (1246791).
Almost surely, 222193190 is an apocalyptic number.
22193190 is an abundant number, since it is smaller than the sum of its proper divisors (37652778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22193190 is an equidigital number, since it uses as much as digits as its factorization.
22193190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9155 (or 9143 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 22193190 is about 4710.9648693235. The cubic root of 22193190 is about 281.0217347879.
The spelling of 22193190 in words is "twenty-two million, one hundred ninety-three thousand, one hundred ninety".
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