Search a number
-
+
28036670 = 252803667
BaseRepresentation
bin110101011110…
…0111000111110
31221202102002012
41222330320332
524134133140
62440531222
7460210364
oct152747076
957672065
1028036670
111490a402
129480b12
135a6845c
143a1b634
1526dc265
hex1abce3e

28036670 has 8 divisors (see below), whose sum is σ = 50466024. Its totient is φ = 11214664.

The previous prime is 28036669. The next prime is 28036681. The reversal of 28036670 is 7663082.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401824 + ... + 1401843.

It is an arithmetic number, because the mean of its divisors is an integer number (6308253).

Almost surely, 228036670 is an apocalyptic number.

28036670 is a deficient number, since it is larger than the sum of its proper divisors (22429354).

28036670 is a wasteful number, since it uses less digits than its factorization.

28036670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803674.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 28036670 is about 5294.9664777031. The cubic root of 28036670 is about 303.7914009288.

The spelling of 28036670 in words is "twenty-eight million, thirty-six thousand, six hundred seventy".

Divisors: 1 2 5 10 2803667 5607334 14018335 28036670