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54399093 = 372590433
BaseRepresentation
bin1100111110000…
…1000001110101
310210100202112020
43033201001311
5102411232333
65221543353
71230245640
oct317410165
9123322466
1054399093
1128785931
1216274b59
13b368818
147320a57
154b983b3
hex33e1075

54399093 has 8 divisors (see below), whose sum is σ = 82893888. Its totient is φ = 31085184.

The previous prime is 54399091. The next prime is 54399097. The reversal of 54399093 is 39099345.

It is a happy number.

54399093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54399093 - 21 = 54399091 is a prime.

It is a super-2 number, since 2×543990932 = 5918522638445298, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54399091) 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 7 ways as a sum of consecutive naturals, for example, 1295196 + ... + 1295237.

It is an arithmetic number, because the mean of its divisors is an integer number (10361736).

Almost surely, 254399093 is an apocalyptic number.

It is an amenable number.

54399093 is a deficient number, since it is larger than the sum of its proper divisors (28494795).

54399093 is a wasteful number, since it uses less digits than its factorization.

54399093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590443.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 54399093 is about 7375.5740793514. The cubic root of 54399093 is about 378.9051890482.

The spelling of 54399093 in words is "fifty-four million, three hundred ninety-nine thousand, ninety-three".

Divisors: 1 3 7 21 2590433 7771299 18133031 54399093