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54722743 = 318117203
BaseRepresentation
bin1101000011000…
…0000010110111
310210222012111021
43100300002313
5103002111433
65232522011
71233064345
oct320600267
9123865437
1054722743
1128987009
12163b0307
13b44cc2a
1473a6995
154c0e22d
hex34300b7

54722743 has 4 divisors (see below), whose sum is σ = 54743128. Its totient is φ = 54702360.

The previous prime is 54722737. The next prime is 54722791. The reversal of 54722743 is 34722745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34722745 = 56944549.

It is a cyclic number.

It is not a de Polignac number, because 54722743 - 29 = 54722231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54722699 and 54722708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54722243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5421 + ... + 11782.

It is an arithmetic number, because the mean of its divisors is an integer number (13685782).

Almost surely, 254722743 is an apocalyptic number.

54722743 is a deficient number, since it is larger than the sum of its proper divisors (20385).

54722743 is a wasteful number, since it uses less digits than its factorization.

54722743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20384.

The product of its digits is 47040, while the sum is 34.

The square root of 54722743 is about 7397.4822068052. The cubic root of 54722743 is about 379.6551418839.

The spelling of 54722743 in words is "fifty-four million, seven hundred twenty-two thousand, seven hundred forty-three".

Divisors: 1 3181 17203 54722743