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18900119 = 75945763
BaseRepresentation
bin100100000011…
…0010010010111
31022120020002102
41020012102113
514314300434
61513032315
7316435250
oct110062227
938506072
1018900119
11a739a37
1263b569b
133bb9904
14271db27
1519d507e
hex1206497

18900119 has 8 divisors (see below), whose sum is σ = 21966720. Its totient is φ = 15925176.

The previous prime is 18900113. The next prime is 18900121. The reversal of 18900119 is 91100981.

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

It is a cyclic number.

It is not a de Polignac number, because 18900119 - 24 = 18900103 is a prime.

It is a super-2 number, since 2×189001192 = 714428996428322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18900091 and 18900100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18900113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22469 + ... + 23294.

It is an arithmetic number, because the mean of its divisors is an integer number (2745840).

Almost surely, 218900119 is an apocalyptic number.

18900119 is a deficient number, since it is larger than the sum of its proper divisors (3066601).

18900119 is an equidigital number, since it uses as much as digits as its factorization.

18900119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45829.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 18900119 is about 4347.4267101355. The cubic root of 18900119 is about 266.3717595723.

The spelling of 18900119 in words is "eighteen million, nine hundred thousand, one hundred nineteen".

Divisors: 1 7 59 413 45763 320341 2700017 18900119