Search a number
-
+
24140424 = 23371113063
BaseRepresentation
bin101110000010…
…1101010001000
31200102110102210
41130011222020
522134443144
62221225120
7412122150
oct134055210
950373383
1024140424
1112699070
1281021a0
135002b99
1432c5760
1521bcab9
hex1705a88

24140424 has 64 divisors (see below), whose sum is σ = 75248640. Its totient is φ = 6269760.

The previous prime is 24140423. The next prime is 24140447. The reversal of 24140424 is 42404142.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 24140424.

It is not an unprimeable number, because it can be changed into a prime (24140423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4684 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (1175760).

Almost surely, 224140424 is an apocalyptic number.

24140424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

24140424 is an abundant number, since it is smaller than the sum of its proper divisors (51108216).

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

24140424 is a wasteful number, since it uses less digits than its factorization.

24140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13090 (or 13086 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 24140424 is about 4913.2905470774. The cubic root of 24140424 is about 289.0113938907.

Adding to 24140424 its reverse (42404142), we get a palindrome (66544566).

The spelling of 24140424 in words is "twenty-four million, one hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 462 616 924 1848 13063 26126 39189 52252 78378 91441 104504 143693 156756 182882 274323 287386 313512 365764 431079 548646 574772 731528 862158 1005851 1097292 1149544 1724316 2011702 2194584 3017553 3448632 4023404 6035106 8046808 12070212 24140424