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54093409 = 71761879
BaseRepresentation
bin1100111001011…
…0011001100001
310202210020012121
43032112121201
5102321442114
65211224241
71224533506
oct316263141
9122706177
1054093409
11285971a7
1216148081
13b28c646
1472814ad
154b37a24
hex3396661

54093409 has 4 divisors (see below), whose sum is σ = 54855360. Its totient is φ = 53331460.

The previous prime is 54093373. The next prime is 54093421. The reversal of 54093409 is 90439045.

54093409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 54093409 - 211 = 54091361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54093709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380869 + ... + 381010.

It is an arithmetic number, because the mean of its divisors is an integer number (13713840).

Almost surely, 254093409 is an apocalyptic number.

It is an amenable number.

54093409 is a deficient number, since it is larger than the sum of its proper divisors (761951).

54093409 is an equidigital number, since it uses as much as digits as its factorization.

54093409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761950.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 54093409 is about 7354.8221596447. The cubic root of 54093409 is about 378.1941301013.

The spelling of 54093409 in words is "fifty-four million, ninety-three thousand, four hundred nine".

Divisors: 1 71 761879 54093409