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18345076 = 2223199403
BaseRepresentation
bin100010111111…
…0110001110100
31021112000201021
41011332301310
514144020301
61453110524
7311634121
oct105766164
937460637
1018345076
11a39aa22
126188444
133a54099
142617748
1519258a1
hex117ec74

18345076 has 12 divisors (see below), whose sum is σ = 33499872. Its totient is φ = 8773688.

The previous prime is 18345071. The next prime is 18345083. The reversal of 18345076 is 67054381.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18345071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99610 + ... + 99793.

It is an arithmetic number, because the mean of its divisors is an integer number (2791656).

Almost surely, 218345076 is an apocalyptic number.

It is an amenable number.

18345076 is a deficient number, since it is larger than the sum of its proper divisors (15154796).

18345076 is a wasteful number, since it uses less digits than its factorization.

18345076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199430 (or 199428 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 18345076 is about 4283.1152214247. The cubic root of 18345076 is about 263.7382813388.

The spelling of 18345076 in words is "eighteen million, three hundred forty-five thousand, seventy-six".

Divisors: 1 2 4 23 46 92 199403 398806 797612 4586269 9172538 18345076