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54347977 = 370914653
BaseRepresentation
bin1100111101010…
…0100011001001
310210021011102001
43033110203021
5102403113402
65220511001
71226643625
oct317244311
9123234361
1054347977
1128750492
121624b461
13b34b488
14730a185
154b88187
hex33d48c9

54347977 has 4 divisors (see below), whose sum is σ = 54366340. Its totient is φ = 54329616.

The previous prime is 54347957. The next prime is 54347981. The reversal of 54347977 is 77974345.

54347977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29637136 + 24710841 = 5444^2 + 4971^2 .

It is a cyclic number.

It is not a de Polignac number, because 54347977 - 27 = 54347849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54347927) 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 3 ways as a sum of consecutive naturals, for example, 3618 + ... + 11035.

It is an arithmetic number, because the mean of its divisors is an integer number (13591585).

Almost surely, 254347977 is an apocalyptic number.

It is an amenable number.

54347977 is a deficient number, since it is larger than the sum of its proper divisors (18363).

54347977 is a wasteful number, since it uses less digits than its factorization.

54347977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18362.

The product of its digits is 740880, while the sum is 46.

The square root of 54347977 is about 7372.1080431583. The cubic root of 54347977 is about 378.7864726864.

The spelling of 54347977 in words is "fifty-four million, three hundred forty-seven thousand, nine hundred seventy-seven".

Divisors: 1 3709 14653 54347977