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18085622 = 243120981
BaseRepresentation
bin100010011111…
…1011011110110
31021000211210212
41010333123312
514112214442
61443345422
7306503522
oct104773366
937024725
1018085622
11a232aa5
126082272
133992c69
14258ad82
1518c3a82
hex113f6f6

18085622 has 8 divisors (see below), whose sum is σ = 27192672. Its totient is φ = 9021400.

The previous prime is 18085609. The next prime is 18085631. The reversal of 18085622 is 22658081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9629 + ... + 11352.

It is an arithmetic number, because the mean of its divisors is an integer number (3399084).

Almost surely, 218085622 is an apocalyptic number.

18085622 is a deficient number, since it is larger than the sum of its proper divisors (9107050).

18085622 is a wasteful number, since it uses less digits than its factorization.

18085622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21414.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 18085622 is about 4252.7193653003. The cubic root of 18085622 is about 262.4890250892.

The spelling of 18085622 in words is "eighteen million, eighty-five thousand, six hundred twenty-two".

Divisors: 1 2 431 862 20981 41962 9042811 18085622