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2240120531 = 11688329587
BaseRepresentation
bin1000010110000101…
…1000011011010011
312210010011220200002
42011201120123103
514041432324111
61010141320215
7106340465435
oct20541303323
95703156602
102240120531
11a4a542790
1252626606b
1329913b00c
14173722655
15d19e463b
hex858586d3

2240120531 has 8 divisors (see below), whose sum is σ = 2444205504. Its totient is φ = 2036108520.

The previous prime is 2240120527. The next prime is 2240120551. The reversal of 2240120531 is 1350210422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2240120531 - 22 = 2240120527 is a prime.

It is a super-2 number, since 2×22401205312 = 10036279986815443922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240120521) 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, 60920 + ... + 90506.

It is an arithmetic number, because the mean of its divisors is an integer number (305525688).

Almost surely, 22240120531 is an apocalyptic number.

2240120531 is a deficient number, since it is larger than the sum of its proper divisors (204084973).

2240120531 is a wasteful number, since it uses less digits than its factorization.

2240120531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36481.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2240120531 is about 47329.9115887617. The cubic root of 2240120531 is about 1308.4499918029.

Adding to 2240120531 its reverse (1350210422), we get a palindrome (3590330953).

The spelling of 2240120531 in words is "two billion, two hundred forty million, one hundred twenty thousand, five hundred thirty-one".

Divisors: 1 11 6883 29587 75713 325457 203647321 2240120531