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2240547797 is a prime number
BaseRepresentation
bin1000010110001100…
…0000101111010101
312210010222121202202
42011203000233111
514042040012142
61010154414245
7106344225215
oct20543005725
95703877682
102240547797
11a4a8047a4
12526431385
1329925a637
141737d4245
15d1a7b032
hex858c0bd5

2240547797 has 2 divisors, whose sum is σ = 2240547798. Its totient is φ = 2240547796.

The previous prime is 2240547779. The next prime is 2240547851. The reversal of 2240547797 is 7977450422.

It is a happy number.

Together with previous prime (2240547779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022660676 + 217887121 = 44974^2 + 14761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240547797 - 220 = 2239499221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240547767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120273898 + 1120273899.

It is an arithmetic number, because the mean of its divisors is an integer number (1120273899).

Almost surely, 22240547797 is an apocalyptic number.

It is an amenable number.

2240547797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240547797 is an equidigital number, since it uses as much as digits as its factorization.

2240547797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 2240547797 is about 47334.4250730903. The cubic root of 2240547797 is about 1308.5331749244.

The spelling of 2240547797 in words is "two billion, two hundred forty million, five hundred forty-seven thousand, seven hundred ninety-seven".