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54738439 = 721117111
BaseRepresentation
bin1101000011001…
…1111000000111
310211000000000121
43100303320013
5103003112224
65233122411
71233161200
oct320637007
9124000017
1054738439
1128997888
12163b9407
13b457112
1473ac5a7
154c13be4
hex3433e07

54738439 has 6 divisors (see below), whose sum is σ = 63675384. Its totient is φ = 46918620.

The previous prime is 54738433. The next prime is 54738451. The reversal of 54738439 is 93483745.

54738439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54738439 - 215 = 54705671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54738395 and 54738404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54738433) 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 5 ways as a sum of consecutive naturals, for example, 558507 + ... + 558604.

It is an arithmetic number, because the mean of its divisors is an integer number (10612564).

Almost surely, 254738439 is an apocalyptic number.

54738439 is a deficient number, since it is larger than the sum of its proper divisors (8936945).

54738439 is a wasteful number, since it uses less digits than its factorization.

54738439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117125 (or 1117118 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 54738439 is about 7398.5430322463. The cubic root of 54738439 is about 379.6914369544.

The spelling of 54738439 in words is "fifty-four million, seven hundred thirty-eight thousand, four hundred thirty-nine".

Divisors: 1 7 49 1117111 7819777 54738439