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2132230340 = 225106611517
BaseRepresentation
bin111111100010111…
…0100000011000100
312111121011112011002
41333011310003010
513331322332330
6551325032432
7103560441662
oct17705640304
95447145132
102132230340
119a4652239
124b60b5718
1327c994076
14163279c32
15c72d1e45
hex7f1740c4

2132230340 has 12 divisors (see below), whose sum is σ = 4477683756. Its totient is φ = 852892128.

The previous prime is 2132230337. The next prime is 2132230349. The reversal of 2132230340 is 430322312.

It can be written as a sum of positive squares in 2 ways, for example, as 891500164 + 1240730176 = 29858^2 + 35224^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 106611517 = 2132230340 / (2 + 1 + 3 + 2 + 2 + 3 + 0 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (2132230349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53305739 + ... + 53305778.

It is an arithmetic number, because the mean of its divisors is an integer number (373140313).

Almost surely, 22132230340 is an apocalyptic number.

2132230340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132230340 is an abundant number, since it is smaller than the sum of its proper divisors (2345453416).

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

2132230340 is a wasteful number, since it uses less digits than its factorization.

2132230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106611526 (or 106611524 counting only the distinct ones).

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

The square root of 2132230340 is about 46176.0797383234. The cubic root of 2132230340 is about 1287.0972811533.

Adding to 2132230340 its reverse (430322312), we get a palindrome (2562552652).

The spelling of 2132230340 in words is "two billion, one hundred thirty-two million, two hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 106611517 213223034 426446068 533057585 1066115170 2132230340