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54091383 = 318030461
BaseRepresentation
bin1100111001010…
…1111001110111
310202210010102120
43032111321313
5102321411013
65211211023
71224524553
oct316257167
9122703376
1054091383
1128595725
1216146a73
13b28b748
147280863
154b37123
hex3395e77

54091383 has 4 divisors (see below), whose sum is σ = 72121848. Its totient is φ = 36060920.

The previous prime is 54091381. The next prime is 54091393. The reversal of 54091383 is 38319045.

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

It is a cyclic number.

It is not a de Polignac number, because 54091383 - 21 = 54091381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54091381) 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, 9015228 + ... + 9015233.

It is an arithmetic number, because the mean of its divisors is an integer number (18030462).

Almost surely, 254091383 is an apocalyptic number.

54091383 is a deficient number, since it is larger than the sum of its proper divisors (18030465).

54091383 is a wasteful number, since it uses less digits than its factorization.

54091383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18030464.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 54091383 is about 7354.6844255889. The cubic root of 54091383 is about 378.1894084486.

The spelling of 54091383 in words is "fifty-four million, ninety-one thousand, three hundred eighty-three".

Divisors: 1 3 18030461 54091383