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2236407949 is a prime number
BaseRepresentation
bin1000010101001100…
…1110000010001101
312202212012021222001
42011103032002031
514040010023244
61005525552301
7106264103536
oct20523160215
95685167861
102236407949
11a48437436
12524b75691
1329843b219
1417303768d
15d150e5d4
hex854ce08d

2236407949 has 2 divisors, whose sum is σ = 2236407950. Its totient is φ = 2236407948.

The previous prime is 2236407947. The next prime is 2236408001. The reversal of 2236407949 is 9497046322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1855455625 + 380952324 = 43075^2 + 19518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236407949 - 21 = 2236407947 is a prime.

Together with 2236407947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2236407899 and 2236407908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2236407947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118203974 + 1118203975.

It is an arithmetic number, because the mean of its divisors is an integer number (1118203975).

Almost surely, 22236407949 is an apocalyptic number.

It is an amenable number.

2236407949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236407949 is an equidigital number, since it uses as much as digits as its factorization.

2236407949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 2236407949 is about 47290.6750744795. The cubic root of 2236407949 is about 1307.7267548332.

The spelling of 2236407949 in words is "two billion, two hundred thirty-six million, four hundred seven thousand, nine hundred forty-nine".