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54740739 = 318246913
BaseRepresentation
bin1101000011010…
…0011100000011
310211000010011210
43100310130003
5103003200424
65233141203
71233200664
oct320643403
9124003153
1054740739
1128999589
12163ba803
13b458191
1473ad36b
154c14729
hex3434703

54740739 has 4 divisors (see below), whose sum is σ = 72987656. Its totient is φ = 36493824.

The previous prime is 54740717. The next prime is 54740753. The reversal of 54740739 is 93704745.

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

It is not a de Polignac number, because 54740739 - 213 = 54732547 is a prime.

It is a super-2 number, since 2×547407392 = 5993097012532242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54740697 and 54740706.

It is not an unprimeable number, because it can be changed into a prime (54740039) 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, 9123454 + ... + 9123459.

It is an arithmetic number, because the mean of its divisors is an integer number (18246914).

Almost surely, 254740739 is an apocalyptic number.

54740739 is a deficient number, since it is larger than the sum of its proper divisors (18246917).

54740739 is a wasteful number, since it uses less digits than its factorization.

54740739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18246916.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 54740739 is about 7398.6984666224. The cubic root of 54740739 is about 379.6967548389.

The spelling of 54740739 in words is "fifty-four million, seven hundred forty thousand, seven hundred thirty-nine".

Divisors: 1 3 18246913 54740739