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58281049 = 174183617
BaseRepresentation
bin1101111001010…
…0110001011001
311001122222120101
43132110301121
5104404443144
65441055401
71305244411
oct336246131
9131588511
1058281049
112a997462
1217627561
13c0c7738
147a51641
1551b36d4
hex3794c59

58281049 has 8 divisors (see below), whose sum is σ = 63215208. Its totient is φ = 53514240.

The previous prime is 58281029. The next prime is 58281059. The reversal of 58281049 is 94018285.

It can be written as a sum of positive squares in 4 ways, for example, as 8225424 + 50055625 = 2868^2 + 7075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 58281049 - 219 = 57756761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 58280999 and 58281017.

It is not an unprimeable number, because it can be changed into a prime (58281019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41112 + ... + 42505.

It is an arithmetic number, because the mean of its divisors is an integer number (7901901).

Almost surely, 258281049 is an apocalyptic number.

It is an amenable number.

58281049 is a deficient number, since it is larger than the sum of its proper divisors (4934159).

58281049 is a wasteful number, since it uses less digits than its factorization.

58281049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83675.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 58281049 is about 7634.2025778728. The cubic root of 58281049 is about 387.7118902192.

The spelling of 58281049 in words is "fifty-eight million, two hundred eighty-one thousand, forty-nine".

Divisors: 1 17 41 697 83617 1421489 3428297 58281049