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54004285 = 510800857
BaseRepresentation
bin1100111000000…
…0101000111101
310202121200221201
43032000220331
5102311114120
65205255501
71224012616
oct316005075
9122550851
1054004285
1128536245
1216104591
13b25abca
14725ac0d
154b1b40a
hex3380a3d

54004285 has 4 divisors (see below), whose sum is σ = 64805148. Its totient is φ = 43203424.

The previous prime is 54004271. The next prime is 54004303. The reversal of 54004285 is 58240045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37136836 + 16867449 = 6094^2 + 4107^2 .

It is a cyclic number.

It is not a de Polignac number, because 54004285 - 29 = 54003773 is a prime.

It is a super-2 number, since 2×540042852 = 5832925596722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5400424 + ... + 5400433.

It is an arithmetic number, because the mean of its divisors is an integer number (16201287).

Almost surely, 254004285 is an apocalyptic number.

It is an amenable number.

54004285 is a deficient number, since it is larger than the sum of its proper divisors (10800863).

54004285 is a wasteful number, since it uses less digits than its factorization.

54004285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10800862.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 54004285 is about 7348.7607798866. The cubic root of 54004285 is about 377.9863124109.

It can be divided in two parts, 54004 and 285, that added together give a square (54289 = 2332).

The spelling of 54004285 in words is "fifty-four million, four thousand, two hundred eighty-five".

Divisors: 1 5 10800857 54004285