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5281678 = 215117489
BaseRepresentation
bin10100001001011110001110
3100221100002201
4110021132032
52323003203
6305112114
762615323
oct24113616
910840081
105281678
112a88226
12192863a
13112c06c
149b6b4a
156e4e1d
hex50978e

5281678 has 8 divisors (see below), whose sum is σ = 7975440. Its totient is φ = 2623200.

The previous prime is 5281673. The next prime is 5281681. The reversal of 5281678 is 8761825.

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

It is a super-2 number, since 2×52816782 = 55792244991368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281673) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8443 + ... + 9046.

It is an arithmetic number, because the mean of its divisors is an integer number (996930).

Almost surely, 25281678 is an apocalyptic number.

5281678 is a deficient number, since it is larger than the sum of its proper divisors (2693762).

5281678 is a wasteful number, since it uses less digits than its factorization.

5281678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17642.

The product of its digits is 26880, while the sum is 37.

The square root of 5281678 is about 2298.1901574935. The cubic root of 5281678 is about 174.1501984027.

The spelling of 5281678 in words is "five million, two hundred eighty-one thousand, six hundred seventy-eight".

Divisors: 1 2 151 302 17489 34978 2640839 5281678