Search a number
-
+
28659846 = 234776641
BaseRepresentation
bin110110101010…
…1000010000110
31222221001220210
41231111002012
524314103341
62502140250
7465414255
oct155250206
958831823
1028659846
11151a5626
129721686
135c25cb7
143b4079c
1527b1c16
hex1b55086

28659846 has 8 divisors (see below), whose sum is σ = 57319704. Its totient is φ = 9553280.

The previous prime is 28659833. The next prime is 28659881. The reversal of 28659846 is 64895682.

It is a happy number.

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

28659846 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28659795 and 28659804.

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 3 ways as a sum of consecutive naturals, for example, 2388315 + ... + 2388326.

It is an arithmetic number, because the mean of its divisors is an integer number (7164963).

Almost surely, 228659846 is an apocalyptic number.

28659846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28659846 is a wasteful number, since it uses less digits than its factorization.

28659846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776646.

The product of its digits is 829440, while the sum is 48.

The square root of 28659846 is about 5353.4891426060. The cubic root of 28659846 is about 306.0257357995.

The spelling of 28659846 in words is "twenty-eight million, six hundred fifty-nine thousand, eight hundred forty-six".

Divisors: 1 2 3 6 4776641 9553282 14329923 28659846