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54324293 = 349155657
BaseRepresentation
bin1100111100111…
…0110001000101
310210012221220212
43033032301011
5102401334133
65220205205
71226514602
oct317166105
9123187825
1054324293
1128734711
1216239805
13b34076a
1473016a9
154b81148
hex33cec45

54324293 has 4 divisors (see below), whose sum is σ = 54480300. Its totient is φ = 54168288.

The previous prime is 54324269. The next prime is 54324313. The reversal of 54324293 is 39242345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39242345 = 57848469.

It can be written as a sum of positive squares in 2 ways, for example, as 28751044 + 25573249 = 5362^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 54324293 - 28 = 54324037 is a prime.

It is a super-2 number, since 2×543242932 = 5902257619899698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54324223) 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, 77480 + ... + 78177.

It is an arithmetic number, because the mean of its divisors is an integer number (13620075).

Almost surely, 254324293 is an apocalyptic number.

It is an amenable number.

54324293 is a deficient number, since it is larger than the sum of its proper divisors (156007).

54324293 is a wasteful number, since it uses less digits than its factorization.

54324293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156006.

The product of its digits is 25920, while the sum is 32.

The square root of 54324293 is about 7370.5015433144. The cubic root of 54324293 is about 378.7314416145.

The spelling of 54324293 in words is "fifty-four million, three hundred twenty-four thousand, two hundred ninety-three".

Divisors: 1 349 155657 54324293