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2248353997 = 5693951413
BaseRepresentation
bin1000011000000011…
…0010100011001101
312210200200012212021
42012000302203031
514101034311442
61011034010141
7106500456631
oct20600624315
95720605767
102248353997
11a541566aa
12528b76951
1329aa617a6
14174866dc1
15d25bde67
hex860328cd

2248353997 has 4 divisors (see below), whose sum is σ = 2252305980. Its totient is φ = 2244402016.

The previous prime is 2248353977. The next prime is 2248354039. The reversal of 2248353997 is 7993538422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1204159401 + 1044194596 = 34701^2 + 32314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2248353997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2248353977) 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, 1975138 + ... + 1976275.

It is an arithmetic number, because the mean of its divisors is an integer number (563076495).

Almost surely, 22248353997 is an apocalyptic number.

It is an amenable number.

2248353997 is a deficient number, since it is larger than the sum of its proper divisors (3951983).

2248353997 is an equidigital number, since it uses as much as digits as its factorization.

2248353997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951982.

The product of its digits is 3265920, while the sum is 52.

The square root of 2248353997 is about 47416.8113331126. The cubic root of 2248353997 is about 1310.0510822495.

The spelling of 2248353997 in words is "two billion, two hundred forty-eight million, three hundred fifty-three thousand, nine hundred ninety-seven".

Divisors: 1 569 3951413 2248353997