Search a number
-
+
2312323040 = 25552127739
BaseRepresentation
bin1000100111010011…
…0011111111100000
312222011001011220002
42021310303333200
514213423314130
61021241035132
7111205264406
oct21164637740
95864034802
102312323040
11a87278585
12546485aa8
132ab09b1b1
1417d159476
15d8007b45
hex89d33fe0

2312323040 has 48 divisors (see below), whose sum is σ = 5473545840. Its totient is φ = 923120640.

The previous prime is 2312323037. The next prime is 2312323067. The reversal of 2312323040 is 403232132.

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

It is a congruent number.

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, 69491 + ... + 97229.

It is an arithmetic number, because the mean of its divisors is an integer number (114032205).

Almost surely, 22312323040 is an apocalyptic number.

2312323040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312323040 is an abundant number, since it is smaller than the sum of its proper divisors (3161222800).

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

2312323040 is a wasteful number, since it uses less digits than its factorization.

2312323040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28275 (or 28267 counting only the distinct ones).

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

The square root of 2312323040 is about 48086.6201765106. The cubic root of 2312323040 is about 1322.3593860430.

Adding to 2312323040 its reverse (403232132), we get a palindrome (2715555172).

The spelling of 2312323040 in words is "two billion, three hundred twelve million, three hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 521 1042 2084 2605 4168 5210 8336 10420 16672 20840 27739 41680 55478 83360 110956 138695 221912 277390 443824 554780 887648 1109560 2219120 4438240 14452019 28904038 57808076 72260095 115616152 144520190 231232304 289040380 462464608 578080760 1156161520 2312323040