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2253506813 = 9725790397
BaseRepresentation
bin1000011001010001…
…1100100011111101
312211001101000012022
42012110130203331
514103344204223
61011340245525
7106562330465
oct20624344375
95731330168
102253506813
11a57056028
1252a8408a5
1329bb46cac
14175408ba5
15d2c8aac8
hex8651c8fd

2253506813 has 8 divisors (see below), whose sum is σ = 2285623032. Its totient is φ = 2221572096.

The previous prime is 2253506779. The next prime is 2253506833. The reversal of 2253506813 is 3186053522.

2253506813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 244046884 + 2009459929 = 15622^2 + 44827^2 .

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 2253506813 - 216 = 2253441277 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 (2253506833) 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, 20270 + ... + 70127.

It is an arithmetic number, because the mean of its divisors is an integer number (285702879).

Almost surely, 22253506813 is an apocalyptic number.

It is an amenable number.

2253506813 is a deficient number, since it is larger than the sum of its proper divisors (32116219).

2253506813 is an equidigital number, since it uses as much as digits as its factorization.

2253506813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90751.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2253506813 is about 47471.1155651518. The cubic root of 2253506813 is about 1311.0511178027.

The spelling of 2253506813 in words is "two billion, two hundred fifty-three million, five hundred six thousand, eight hundred thirteen".

Divisors: 1 97 257 24929 90397 8768509 23232029 2253506813