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18414072 = 2332298819
BaseRepresentation
bin100011000111…
…1100111111000
31021122112100200
41012033213320
514203222242
61454402200
7312342225
oct106174770
937575320
1018414072
11a437846
126200360
133a79601
14263494c
15193b04c
hex118f9f8

18414072 has 48 divisors (see below), whose sum is σ = 51597000. Its totient is φ = 5925696.

The previous prime is 18414061. The next prime is 18414073. The reversal of 18414072 is 27041481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18414073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2322 + ... + 6497.

Almost surely, 218414072 is an apocalyptic number.

18414072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18414072 is an abundant number, since it is smaller than the sum of its proper divisors (33182928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18414072 is a wasteful number, since it uses less digits than its factorization.

18414072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860 (or 8853 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 18414072 is about 4291.1620803694. The cubic root of 18414072 is about 264.0685083912.

The spelling of 18414072 in words is "eighteen million, four hundred fourteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 8819 17638 26457 35276 52914 70552 79371 105828 158742 211656 255751 317484 511502 634968 767253 1023004 1534506 2046008 2301759 3069012 4603518 6138024 9207036 18414072