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5039905 = 513174561
BaseRepresentation
bin10011001110011100100001
3100111001110011
4103032130201
52242234110
6300004521
760560413
oct23163441
910431404
105039905
112932612
121830741
131075cc0
149529b3
1569848a
hex4ce721

5039905 has 16 divisors (see below), whose sum is σ = 6897744. Its totient is φ = 3502080.

The previous prime is 5039891. The next prime is 5039911. The reversal of 5039905 is 5099305.

It can be written as a sum of positive squares in 8 ways, for example, as 204304 + 4835601 = 452^2 + 2199^2 .

It is not a de Polignac number, because 5039905 - 215 = 5007137 is a prime.

It is a Duffinian number.

5039905 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1176 + ... + 3385.

It is an arithmetic number, because the mean of its divisors is an integer number (431109).

Almost surely, 25039905 is an apocalyptic number.

It is an amenable number.

5039905 is a deficient number, since it is larger than the sum of its proper divisors (1857839).

5039905 is a wasteful number, since it uses less digits than its factorization.

5039905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 5039905 is about 2244.9732737830. The cubic root of 5039905 is about 171.4513003924.

The spelling of 5039905 in words is "five million, thirty-nine thousand, nine hundred five".

Divisors: 1 5 13 17 65 85 221 1105 4561 22805 59293 77537 296465 387685 1007981 5039905