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18454053 = 36151351
BaseRepresentation
bin100011001100…
…1011000100101
31021201120012110
41012121120211
514211012203
61455311233
7312566622
oct106313045
937646173
1018454053
11a464892
12621b519
133a91877
142645349
151947d03
hex1199625

18454053 has 4 divisors (see below), whose sum is σ = 24605408. Its totient is φ = 12302700.

The previous prime is 18454049. The next prime is 18454067. The reversal of 18454053 is 35045481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 18454053 - 22 = 18454049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18454053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18454003) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3075673 + ... + 3075678.

It is an arithmetic number, because the mean of its divisors is an integer number (6151352).

Almost surely, 218454053 is an apocalyptic number.

It is an amenable number.

18454053 is a deficient number, since it is larger than the sum of its proper divisors (6151355).

18454053 is an equidigital number, since it uses as much as digits as its factorization.

18454053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151354.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 18454053 is about 4295.8180827405. The cubic root of 18454053 is about 264.2594871744.

The spelling of 18454053 in words is "eighteen million, four hundred fifty-four thousand, fifty-three".

Divisors: 1 3 6151351 18454053