Search a number
-
+
23768836 = 2271325023
BaseRepresentation
bin101101010101…
…0111100000100
31122201120201021
41122222330010
522041100321
62205240524
7406013620
oct132527404
948646637
1023768836
1112464973
127b63144
134c02a00
14322a180
152147941
hex16aaf04

23768836 has 36 divisors (see below), whose sum is σ = 51485952. Its totient is φ = 9401184.

The previous prime is 23768827. The next prime is 23768851. The reversal of 23768836 is 63886732.

It is a junction number, because it is equal to n+sod(n) for n = 23768792 and 23768801.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2221 + ... + 7243.

Almost surely, 223768836 is an apocalyptic number.

23768836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23768836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25742976).

23768836 is an abundant number, since it is smaller than the sum of its proper divisors (27717116).

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

23768836 is a wasteful number, since it uses less digits than its factorization.

23768836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5045 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 23768836 is about 4875.3293222099. The cubic root of 23768836 is about 287.5208242005.

The spelling of 23768836 in words is "twenty-three million, seven hundred sixty-eight thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 182 338 364 676 1183 2366 4732 5023 10046 20092 35161 65299 70322 130598 140644 261196 457093 848887 914186 1697774 1828372 3395548 5942209 11884418 23768836