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54647973 = 3312715937
BaseRepresentation
bin1101000001110…
…1110010100101
310210211101221000
43100131302211
5102442213343
65231143513
71232333352
oct320356245
9123741830
1054647973
1128935916
1216374b99
13b424ba3
147387629
154be6ed3
hex341dca5

54647973 has 16 divisors (see below), whose sum is σ = 81602560. Its totient is φ = 36142848.

The previous prime is 54647953. The next prime is 54647993. The reversal of 54647973 is 37974645.

54647973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54647953) and next prime (54647993).

It is not a de Polignac number, because 54647973 - 25 = 54647941 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 (54647903) 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 15 ways as a sum of consecutive naturals, for example, 4540 + ... + 11397.

It is an arithmetic number, because the mean of its divisors is an integer number (5100160).

Almost surely, 254647973 is an apocalyptic number.

It is an amenable number.

54647973 is a deficient number, since it is larger than the sum of its proper divisors (26954587).

54647973 is a wasteful number, since it uses less digits than its factorization.

54647973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073 (or 16067 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 54647973 is about 7392.4267328124. The cubic root of 54647973 is about 379.4821501080.

The spelling of 54647973 in words is "fifty-four million, six hundred forty-seven thousand, nine hundred seventy-three".

Divisors: 1 3 9 27 127 381 1143 3429 15937 47811 143433 430299 2023999 6071997 18215991 54647973