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2312225636 = 22782579487
BaseRepresentation
bin1000100111010001…
…1100001101100100
312222010212020021112
42021310130031210
514213412210021
61021235004152
7111204410420
oct21164341544
95863766245
102312225636
11a87211386
12546439658
132ab065a66
1417d131b80
15d7ed8d5b
hex89d1c364

2312225636 has 12 divisors (see below), whose sum is σ = 4624451328. Its totient is φ = 990953832.

The previous prime is 2312225633. The next prime is 2312225683. The reversal of 2312225636 is 6365222132.

2312225636 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2312225633) 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, 41289716 + ... + 41289771.

It is an arithmetic number, because the mean of its divisors is an integer number (385370944).

Almost surely, 22312225636 is an apocalyptic number.

It is an amenable number.

2312225636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2312225636 is a wasteful number, since it uses less digits than its factorization.

2312225636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82579498 (or 82579496 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 2312225636 is about 48085.6073685256. The cubic root of 2312225636 is about 1322.3408181498.

Adding to 2312225636 its reverse (6365222132), we get a palindrome (8677447768).

The spelling of 2312225636 in words is "two billion, three hundred twelve million, two hundred twenty-five thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 82579487 165158974 330317948 578056409 1156112818 2312225636