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54282861 = 326031429
BaseRepresentation
bin1100111100010…
…0101001101101
310210010212002100
43033010221231
5102344022421
65215245313
71226253033
oct317045155
9123125070
1054282861
1128706576
1216219839
13b327949
1472d0553
154b73c26
hex33c4a6d

54282861 has 6 divisors (see below), whose sum is σ = 78408590. Its totient is φ = 36188568.

The previous prime is 54282857. The next prime is 54282869. The reversal of 54282861 is 16828245.

It can be written as a sum of positive squares in only one way, i.e., 46498761 + 7784100 = 6819^2 + 2790^2 .

It is not a de Polignac number, because 54282861 - 22 = 54282857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54282869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3015706 + ... + 3015723.

Almost surely, 254282861 is an apocalyptic number.

It is an amenable number.

54282861 is a deficient number, since it is larger than the sum of its proper divisors (24125729).

54282861 is a wasteful number, since it uses less digits than its factorization.

54282861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031435 (or 6031432 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 54282861 is about 7367.6903436559. The cubic root of 54282861 is about 378.6351336147.

The spelling of 54282861 in words is "fifty-four million, two hundred eighty-two thousand, eight hundred sixty-one".

Divisors: 1 3 9 6031429 18094287 54282861