Search a number
-
+
2323312040 = 23578297543
BaseRepresentation
bin1000101001111010…
…1110110110101000
312222220201110222002
42022132232312220
514224231441130
61022312350132
7111400553330
oct21236566650
95886643862
102323312040
11a924a37a5
1254a0a5348
132b0447c6a
141807ba0c0
15d8e78b45
hex8a7aeda8

2323312040 has 32 divisors (see below), whose sum is σ = 5974231680. Its totient is φ = 796564032.

The previous prime is 2323312031. The next prime is 2323312093. The reversal of 2323312040 is 402133232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4148492 + ... + 4149051.

It is an arithmetic number, because the mean of its divisors is an integer number (186694740).

Almost surely, 22323312040 is an apocalyptic number.

2323312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323312040 is an abundant number, since it is smaller than the sum of its proper divisors (3650919640).

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

2323312040 is a wasteful number, since it uses less digits than its factorization.

2323312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297561 (or 8297557 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2323312040 is about 48200.7472971115. The cubic root of 2323312040 is about 1324.4508539616.

Adding to 2323312040 its reverse (402133232), we get a palindrome (2725445272).

The spelling of 2323312040 in words is "two billion, three hundred twenty-three million, three hundred twelve thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 8297543 16595086 33190172 41487715 58082801 66380344 82975430 116165602 165950860 232331204 290414005 331901720 464662408 580828010 1161656020 2323312040