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55068739 = 1123307709
BaseRepresentation
bin1101001000010…
…0100001000011
310211121210002221
43102010201003
5103044144424
65244151511
71236035155
oct322044103
9124553087
1055068739
11290a2a60
1216538597
13b54156b
147456ad5
154c7b9e4
hex3484843

55068739 has 16 divisors (see below), whose sum is σ = 62979840. Its totient is φ = 47662560.

The previous prime is 55068737. The next prime is 55068779. The reversal of 55068739 is 93786055.

55068739 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 55068739 - 21 = 55068737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55068695 and 55068704.

It is not an unprimeable number, because it can be changed into a prime (55068733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77317 + ... + 78025.

It is an arithmetic number, because the mean of its divisors is an integer number (3936240).

Almost surely, 255068739 is an apocalyptic number.

55068739 is a deficient number, since it is larger than the sum of its proper divisors (7911101).

55068739 is a wasteful number, since it uses less digits than its factorization.

55068739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 55068739 is about 7420.8314224216. The cubic root of 55068739 is about 380.4536111191.

The spelling of 55068739 in words is "fifty-five million, sixty-eight thousand, seven hundred thirty-nine".

Divisors: 1 11 23 253 307 709 3377 7061 7799 16307 77671 179377 217663 2394293 5006249 55068739