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2238473957 is a prime number
BaseRepresentation
bin1000010101101100…
…0110011011100101
312210000002020222212
42011123012123211
514041022131312
61010042133205
7106320500066
oct20533063345
95700066885
102238473957
11a49618685
125257b1205
132989b2705
1417341456d
15d17bb822
hex856c66e5

2238473957 has 2 divisors, whose sum is σ = 2238473958. Its totient is φ = 2238473956.

The previous prime is 2238473911. The next prime is 2238474019. The reversal of 2238473957 is 7593748322.

It is a happy number.

2238473957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2164668676 + 73805281 = 46526^2 + 8591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2238473957 - 28 = 2238473701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2238473857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119236978 + 1119236979.

It is an arithmetic number, because the mean of its divisors is an integer number (1119236979).

Almost surely, 22238473957 is an apocalyptic number.

It is an amenable number.

2238473957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238473957 is an equidigital number, since it uses as much as digits as its factorization.

2238473957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The square root of 2238473957 is about 47312.5137463652. The cubic root of 2238473957 is about 1308.1293263458.

The spelling of 2238473957 in words is "two billion, two hundred thirty-eight million, four hundred seventy-three thousand, nine hundred fifty-seven".