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18150045 = 351210003
BaseRepresentation
bin100010100111…
…1001010011101
31021011010011220
41011033022131
514121300140
61445003553
7310162404
oct105171235
937133156
1018150045
11a277441
1260b35b9
1339b6394
1425a663b
1518d7bd0
hex114f29d

18150045 has 8 divisors (see below), whose sum is σ = 29040096. Its totient is φ = 9680016.

The previous prime is 18150043. The next prime is 18150047. The reversal of 18150045 is 54005181.

It is an interprime number because it is at equal distance from previous prime (18150043) and next prime (18150047).

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

It is not a de Polignac number, because 18150045 - 21 = 18150043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18149997 and 18150024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18150043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 604987 + ... + 605016.

It is an arithmetic number, because the mean of its divisors is an integer number (3630012).

Almost surely, 218150045 is an apocalyptic number.

18150045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18150045 is a deficient number, since it is larger than the sum of its proper divisors (10890051).

18150045 is a wasteful number, since it uses less digits than its factorization.

18150045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210011.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 18150045 is about 4260.2869621658. The cubic root of 18150045 is about 262.8003274647.

The spelling of 18150045 in words is "eighteen million, one hundred fifty thousand, forty-five".

Divisors: 1 3 5 15 1210003 3630009 6050015 18150045