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54868439 = 229723887
BaseRepresentation
bin1101000101001…
…1100111010111
310211020121100102
43101103213113
5103021242224
65240004315
71234242203
oct321234727
9124217312
1054868439
1128a7651a
121646069b
13b4a1342
147403b03
154c3c4ae
hex34539d7

54868439 has 4 divisors (see below), whose sum is σ = 54894624. Its totient is φ = 54842256.

The previous prime is 54868427. The next prime is 54868441. The reversal of 54868439 is 93486845.

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 54868439 - 224 = 38091223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54868393 and 54868402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54868459) 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, 9647 + ... + 14240.

It is an arithmetic number, because the mean of its divisors is an integer number (13723656).

Almost surely, 254868439 is an apocalyptic number.

54868439 is a deficient number, since it is larger than the sum of its proper divisors (26185).

54868439 is a wasteful number, since it uses less digits than its factorization.

54868439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26184.

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

The square root of 54868439 is about 7407.3233357266. The cubic root of 54868439 is about 379.9917796006.

The spelling of 54868439 in words is "fifty-four million, eight hundred sixty-eight thousand, four hundred thirty-nine".

Divisors: 1 2297 23887 54868439