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18794044 = 2217479577
BaseRepresentation
bin100011110110…
…0011000111100
31022100211120201
41013230120330
514302402134
61510453244
7315514063
oct107543074
938324521
1018794044
11a677275
126364224
133b80549
1426d31da
1519b3914
hex11ec63c

18794044 has 24 divisors (see below), whose sum is σ = 34957440. Its totient is φ = 8810496.

The previous prime is 18794023. The next prime is 18794077. The reversal of 18794044 is 44049781.

It is a junction number, because it is equal to n+sod(n) for n = 18793994 and 18794012.

It is a congruent number.

It is an unprimeable number.

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, 32284 + ... + 32860.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 218794044 is an apocalyptic number.

It is an amenable number.

18794044 is a deficient number, since it is larger than the sum of its proper divisors (16163396).

18794044 is a wasteful number, since it uses less digits than its factorization.

18794044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 18794044 is about 4335.2097988448. The cubic root of 18794044 is about 265.8724962256.

The spelling of 18794044 in words is "eighteen million, seven hundred ninety-four thousand, forty-four".

Divisors: 1 2 4 17 34 68 479 577 958 1154 1916 2308 8143 9809 16286 19618 32572 39236 276383 552766 1105532 4698511 9397022 18794044