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18116030 = 251811603
BaseRepresentation
bin100010100011…
…0110110111110
31021002101112002
41011012312332
514114203110
61444142302
7306661262
oct105066676
937071462
1018116030
11a253929
126097992
1339a3a5a
1425980a2
1518ccaa5
hex1146dbe

18116030 has 8 divisors (see below), whose sum is σ = 32608872. Its totient is φ = 7246408.

The previous prime is 18116023. The next prime is 18116057. The reversal of 18116030 is 3061181.

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

It is a junction number, because it is equal to n+sod(n) for n = 18115993 and 18116011.

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, 905792 + ... + 905811.

It is an arithmetic number, because the mean of its divisors is an integer number (4076109).

Almost surely, 218116030 is an apocalyptic number.

18116030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18116030 is a deficient number, since it is larger than the sum of its proper divisors (14492842).

18116030 is a wasteful number, since it uses less digits than its factorization.

18116030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811610.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 18116030 is about 4256.2929880355. The cubic root of 18116030 is about 262.6360534322.

The spelling of 18116030 in words is "eighteen million, one hundred sixteen thousand, thirty".

Divisors: 1 2 5 10 1811603 3623206 9058015 18116030