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54493293 = 318164431
BaseRepresentation
bin1100111111100…
…0000001101101
310210112112202010
43033320001231
5102422241133
65223551433
71231120401
oct317700155
9123475663
1054493293
112883a688
12162bb579
13b39c66a
147347101
154bb6263
hex33f806d

54493293 has 4 divisors (see below), whose sum is σ = 72657728. Its totient is φ = 36328860.

The previous prime is 54493253. The next prime is 54493301. The reversal of 54493293 is 39239445.

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 54493293 - 214 = 54476909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54493253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082213 + ... + 9082218.

It is an arithmetic number, because the mean of its divisors is an integer number (18164432).

Almost surely, 254493293 is an apocalyptic number.

It is an amenable number.

54493293 is a deficient number, since it is larger than the sum of its proper divisors (18164435).

54493293 is a wasteful number, since it uses less digits than its factorization.

54493293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18164434.

The product of its digits is 116640, while the sum is 39.

The square root of 54493293 is about 7381.9572607812. The cubic root of 54493293 is about 379.1237728772.

The spelling of 54493293 in words is "fifty-four million, four hundred ninety-three thousand, two hundred ninety-three".

Divisors: 1 3 18164431 54493293