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2231140332 = 223185928361
BaseRepresentation
bin1000010011111100…
…0111111111101100
312202111021200011010
42010333013333230
514032132442312
61005221025220
7106201244211
oct20477077754
95674250133
102231140332
11a45469833
12523255210
132973156a5
14172465b08
15d0d1d93c
hex84fc7fec

2231140332 has 12 divisors (see below), whose sum is σ = 5205994136. Its totient is φ = 743713440.

The previous prime is 2231140321. The next prime is 2231140363. The reversal of 2231140332 is 2330411322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22311403323 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231140299 and 2231140308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92964169 + ... + 92964192.

Almost surely, 22231140332 is an apocalyptic number.

It is an amenable number.

2231140332 is an abundant number, since it is smaller than the sum of its proper divisors (2974853804).

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

2231140332 is a wasteful number, since it uses less digits than its factorization.

2231140332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185928368 (or 185928366 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2231140332 is about 47234.9482057512. The cubic root of 2231140332 is about 1306.6992113522.

Adding to 2231140332 its reverse (2330411322), we get a palindrome (4561551654).

The spelling of 2231140332 in words is "two billion, two hundred thirty-one million, one hundred forty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 185928361 371856722 557785083 743713444 1115570166 2231140332