Search a number
-
+
24228680 = 235786531
BaseRepresentation
bin101110001101…
…1001101001000
31200120221111112
41130123031020
522200304210
62223145452
7412640360
oct134331510
950527445
1024228680
1112749403
128145288
1350340c8
1433099a0
1521d8d05
hex171b348

24228680 has 32 divisors (see below), whose sum is σ = 62303040. Its totient is φ = 8306880.

The previous prime is 24228661. The next prime is 24228697. The reversal of 24228680 is 8682242.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42986 + ... + 43545.

It is an arithmetic number, because the mean of its divisors is an integer number (1946970).

Almost surely, 224228680 is an apocalyptic number.

24228680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24228680 is an abundant number, since it is smaller than the sum of its proper divisors (38074360).

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

24228680 is a wasteful number, since it uses less digits than its factorization.

24228680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86549 (or 86545 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 24228680 is about 4922.2637068731. The cubic root of 24228680 is about 289.3631685535.

The spelling of 24228680 in words is "twenty-four million, two hundred twenty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 86531 173062 346124 432655 605717 692248 865310 1211434 1730620 2422868 3028585 3461240 4845736 6057170 12114340 24228680