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18364130 = 251836413
BaseRepresentation
bin100011000001…
…1011011100010
31021112222211222
41012003123202
514200123010
61453335042
7312043511
oct106033342
937488758
1018364130
11a403274
126197482
133a5c965
142620678
15192b355
hex11836e2

18364130 has 8 divisors (see below), whose sum is σ = 33055452. Its totient is φ = 7345648.

The previous prime is 18364117. The next prime is 18364201. The reversal of 18364130 is 3146381.

It can be written as a sum of positive squares in 2 ways, for example, as 18309841 + 54289 = 4279^2 + 233^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18364130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918197 + ... + 918216.

Almost surely, 218364130 is an apocalyptic number.

18364130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18364130 is a deficient number, since it is larger than the sum of its proper divisors (14691322).

18364130 is a wasteful number, since it uses less digits than its factorization.

18364130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836420.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 18364130 is about 4285.3389597557. The cubic root of 18364130 is about 263.8295597904.

The spelling of 18364130 in words is "eighteen million, three hundred sixty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 1836413 3672826 9182065 18364130