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54205427 = 80967003
BaseRepresentation
bin1100111011000…
…1101111110011
310202222220212102
43032301233303
5102334033202
65213451015
71225511213
oct316615763
9122886772
1054205427
1128663381
12161a0a6b
13b2cb623
1472b0243
154b5ad02
hex33b1bf3

54205427 has 4 divisors (see below), whose sum is σ = 54273240. Its totient is φ = 54137616.

The previous prime is 54205421. The next prime is 54205433. The reversal of 54205427 is 72450245.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (54205421) and next prime (54205433).

It is a cyclic number.

It is not a de Polignac number, because 54205427 - 28 = 54205171 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 54205427.

It is not an unprimeable number, because it can be changed into a prime (54205421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32693 + ... + 34310.

It is an arithmetic number, because the mean of its divisors is an integer number (13568310).

Almost surely, 254205427 is an apocalyptic number.

54205427 is a deficient number, since it is larger than the sum of its proper divisors (67813).

54205427 is an equidigital number, since it uses as much as digits as its factorization.

54205427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67812.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 54205427 is about 7362.4334971530. The cubic root of 54205427 is about 378.4550080977.

The spelling of 54205427 in words is "fifty-four million, two hundred five thousand, four hundred twenty-seven".

Divisors: 1 809 67003 54205427