Base | Representation |
---|---|
bin | 101011010000… |
… | …1010111111000 |
3 | 1120200022121000 |
4 | 1112201113320 |
5 | 21301243310 |
6 | 2130045000 |
7 | 363533412 |
oct | 126412770 |
9 | 46608530 |
10 | 22681080 |
11 | 118916a4 |
12 | 7719760 |
13 | 4911876 |
14 | 30259b2 |
15 | 1ed04c0 |
hex | 15a15f8 |
22681080 has 64 divisors (see below), whose sum is σ = 75607200. Its totient is φ = 6048000.
The previous prime is 22681073. The next prime is 22681091. The reversal of 22681080 is 8018622.
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 pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9421 + ... + 11580.
Almost surely, 222681080 is an apocalyptic number.
22681080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22681080 is an abundant number, since it is smaller than the sum of its proper divisors (52926120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22681080 is a wasteful number, since it uses less digits than its factorization.
22681080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21021 (or 21011 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 22681080 is about 4762.4657479083. The cubic root of 22681080 is about 283.0661317896.
The spelling of 22681080 in words is "twenty-two million, six hundred eighty-one thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •