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54684893 = 89614437
BaseRepresentation
bin1101000010011…
…0110011011101
310210220021120102
43100212303131
5102444404033
65232030445
71232546114
oct320466335
9123807512
1054684893
112896062a
1216392425
13b438933
147396c7b
154c02de8
hex3426cdd

54684893 has 4 divisors (see below), whose sum is σ = 55299420. Its totient is φ = 54070368.

The previous prime is 54684887. The next prime is 54684901. The reversal of 54684893 is 39848645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39848645 = 57969729.

It can be written as a sum of positive squares in 2 ways, for example, as 8076964 + 46607929 = 2842^2 + 6827^2 .

It is a cyclic number.

It is not a de Polignac number, because 54684893 - 212 = 54680797 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 (54684293) 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, 307130 + ... + 307307.

It is an arithmetic number, because the mean of its divisors is an integer number (13824855).

Almost surely, 254684893 is an apocalyptic number.

It is an amenable number.

54684893 is a deficient number, since it is larger than the sum of its proper divisors (614527).

54684893 is an equidigital number, since it uses as much as digits as its factorization.

54684893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614526.

The product of its digits is 829440, while the sum is 47.

The square root of 54684893 is about 7394.9234614024. The cubic root of 54684893 is about 379.5675898553.

The spelling of 54684893 in words is "fifty-four million, six hundred eighty-four thousand, eight hundred ninety-three".

Divisors: 1 89 614437 54684893