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2132244340 = 225826912893
BaseRepresentation
bin111111100010111…
…0111011101110100
312111121012020100121
41333011313131310
513331323304330
6551325221324
7103560530542
oct17705673564
95447166317
102132244340
119a4661806
124b6101844
1327c99a555
14163280d92
15c72d617a
hex7f177774

2132244340 has 24 divisors (see below), whose sum is σ = 4478601960. Its totient is φ = 852728448.

The previous prime is 2132244337. The next prime is 2132244349. The reversal of 2132244340 is 434422312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 724794084 + 1407450256 = 26922^2 + 37516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132244349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158934 + ... + 171826.

It is an arithmetic number, because the mean of its divisors is an integer number (186608415).

Almost surely, 22132244340 is an apocalyptic number.

2132244340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132244340 is an abundant number, since it is smaller than the sum of its proper divisors (2346357620).

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

2132244340 is a wasteful number, since it uses less digits than its factorization.

2132244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171 (or 21169 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2132244340 is about 46176.2313317144. The cubic root of 2132244340 is about 1287.1000981289.

Adding to 2132244340 its reverse (434422312), we get a palindrome (2566666652).

The spelling of 2132244340 in words is "two billion, one hundred thirty-two million, two hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 8269 12893 16538 25786 33076 41345 51572 64465 82690 128930 165380 257860 106612217 213224434 426448868 533061085 1066122170 2132244340