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5278091 = 713311871
BaseRepresentation
bin10100001000100110001011
3100221011011212
4110020212023
52322344331
6305043335
762602010
oct24104613
910834155
105278091
112a85565
12192654b
13112a540
149b5707
156e3d2b
hex50898b

5278091 has 16 divisors (see below), whose sum is σ = 6709248. Its totient is φ = 4039200.

The previous prime is 5278073. The next prime is 5278093. The reversal of 5278091 is 1908725.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5278091 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5278093) 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, 1886 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (419328).

Almost surely, 25278091 is an apocalyptic number.

5278091 is a deficient number, since it is larger than the sum of its proper divisors (1431157).

5278091 is a wasteful number, since it uses less digits than its factorization.

5278091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 5278091 is about 2297.4096282553. The cubic root of 5278091 is about 174.1107653394.

The spelling of 5278091 in words is "five million, two hundred seventy-eight thousand, ninety-one".

Divisors: 1 7 13 31 91 217 403 1871 2821 13097 24323 58001 170261 406007 754013 5278091