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2132223240 = 2335721073389
BaseRepresentation
bin111111100010111…
…0010010100001000
312111121011011102010
41333011302110020
513331322120430
6551324535520
7103560412200
oct17705622410
95447134363
102132223240
119a4647974
124b60b15a0
1327c990a74
14163277400
15c72cecb0
hex7f172508

2132223240 has 192 divisors, whose sum is σ = 7512782400. Its totient is φ = 482668032.

The previous prime is 2132223179. The next prime is 2132223281. The reversal of 2132223240 is 423222312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 627466 + ... + 630854.

It is an arithmetic number, because the mean of its divisors is an integer number (39129075).

Almost surely, 22132223240 is an apocalyptic number.

2132223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2132223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756391200).

2132223240 is an abundant number, since it is smaller than the sum of its proper divisors (5380559160).

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

2132223240 is a wasteful number, since it uses less digits than its factorization.

2132223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2132223240 is about 46176.0028586278. The cubic root of 2132223240 is about 1287.0958525396.

Adding to 2132223240 its reverse (423222312), we get a palindrome (2555445552).

The spelling of 2132223240 in words is "two billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred forty".