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18410072 = 232301259
BaseRepresentation
bin100011000111…
…0101001011000
31021122022212112
41012032221120
514203110242
61454331452
7312324452
oct106165130
937568775
1018410072
11a43483a
1261b9b88
133a77845
1426332d2
151939c82
hex118ea58

18410072 has 8 divisors (see below), whose sum is σ = 34518900. Its totient is φ = 9205032.

The previous prime is 18410057. The next prime is 18410083. The reversal of 18410072 is 27001481.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1150622 + ... + 1150637.

Almost surely, 218410072 is an apocalyptic number.

It is an amenable number.

18410072 is a deficient number, since it is larger than the sum of its proper divisors (16108828).

18410072 is a wasteful number, since it uses less digits than its factorization.

18410072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301265 (or 2301261 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 18410072 is about 4290.6959808404. The cubic root of 18410072 is about 264.0493862306.

The spelling of 18410072 in words is "eighteen million, four hundred ten thousand, seventy-two".

Divisors: 1 2 4 8 2301259 4602518 9205036 18410072