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2215142332 = 221342598891
BaseRepresentation
bin1000010000001000…
…0110001110111100
312201101011220000121
42010002012032330
514014034023312
61003450104324
7105615253624
oct20402061674
95641156017
102215142332
11a37432247
12519a1b0a4
13293c03a10
1417029d884
15ce70d707
hex840863bc

2215142332 has 12 divisors (see below), whose sum is σ = 4174691416. Its totient is φ = 1022373360.

The previous prime is 2215142329. The next prime is 2215142339. The reversal of 2215142332 is 2332415122.

It is a junction number, because it is equal to n+sod(n) for n = 2215142297 and 2215142306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215142339) 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, 21299394 + ... + 21299497.

Almost surely, 22215142332 is an apocalyptic number.

It is an amenable number.

2215142332 is a deficient number, since it is larger than the sum of its proper divisors (1959549084).

2215142332 is a wasteful number, since it uses less digits than its factorization.

2215142332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42598908 (or 42598906 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 2215142332 is about 47065.2985967369. The cubic root of 2215142332 is about 1303.5685643814.

Adding to 2215142332 its reverse (2332415122), we get a palindrome (4547557454).

The spelling of 2215142332 in words is "two billion, two hundred fifteen million, one hundred forty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 42598891 85197782 170395564 553785583 1107571166 2215142332