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2258401393 is a prime number
BaseRepresentation
bin1000011010011100…
…0111100001110001
312211101120200022001
42012213013201301
514111122321033
61012033214001
7106652044423
oct20647074161
95741520261
102258401393
11a59899436
12530401301
1329cb6bab1
14175d20813
15d3405e7d
hex869c7871

2258401393 has 2 divisors, whose sum is σ = 2258401394. Its totient is φ = 2258401392.

The previous prime is 2258401357. The next prime is 2258401403. The reversal of 2258401393 is 3931048522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2234263824 + 24137569 = 47268^2 + 4913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2258401393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2258401333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129200696 + 1129200697.

It is an arithmetic number, because the mean of its divisors is an integer number (1129200697).

Almost surely, 22258401393 is an apocalyptic number.

It is an amenable number.

2258401393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258401393 is an equidigital number, since it uses as much as digits as its factorization.

2258401393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2258401393 is about 47522.6408462324. The cubic root of 2258401393 is about 1311.9996252927. Note that the first 3 decimals are identical.

It can be divided in two parts, 2258 and 401393, that added together give a triangular number (403651 = T898).

The spelling of 2258401393 in words is "two billion, two hundred fifty-eight million, four hundred one thousand, three hundred ninety-three".