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2240115321 = 3746705107
BaseRepresentation
bin1000010110000101…
…0111001001111001
312210010011122112010
42011201113021321
514041432142241
61010141240133
7106340444313
oct20541271171
95703148463
102240115321
11a4a539884
12526263049
13299138832
141737207b3
15d19e2d16
hex85857279

2240115321 has 4 divisors (see below), whose sum is σ = 2986820432. Its totient is φ = 1493410212.

The previous prime is 2240115301. The next prime is 2240115349. The reversal of 2240115321 is 1235110422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2240115321 - 25 = 2240115289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240115301) 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, 373352551 + ... + 373352556.

It is an arithmetic number, because the mean of its divisors is an integer number (746705108).

Almost surely, 22240115321 is an apocalyptic number.

It is an amenable number.

2240115321 is a deficient number, since it is larger than the sum of its proper divisors (746705111).

2240115321 is an equidigital number, since it uses as much as digits as its factorization.

2240115321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746705110.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2240115321 is about 47329.8565495396. The cubic root of 2240115321 is about 1308.4489774186.

Adding to 2240115321 its reverse (1235110422), we get a palindrome (3475225743).

The spelling of 2240115321 in words is "two billion, two hundred forty million, one hundred fifteen thousand, three hundred twenty-one".

Divisors: 1 3 746705107 2240115321