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2383394949 = 34132263433
BaseRepresentation
bin1000111000001111…
…1011100010000101
320011002210000020000
42032003323202011
514340122114244
61032300231513
7113030344215
oct21603734205
96132700200
102383394949
1110134009a1
1256623b599
132bca23890
1418877a245
15de396169
hex8e0fb885

2383394949 has 20 divisors (see below), whose sum is σ = 3834257196. Its totient is φ = 1466703936.

The previous prime is 2383394947. The next prime is 2383394977. The reversal of 2383394949 is 9494933832.

It can be written as a sum of positive squares in 2 ways, for example, as 534996900 + 1848398049 = 23130^2 + 42993^2 .

It is not a de Polignac number, because 2383394949 - 21 = 2383394947 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2383394895 and 2383394904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2383394947) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1130664 + ... + 1132769.

Almost surely, 22383394949 is an apocalyptic number.

It is an amenable number.

2383394949 is a deficient number, since it is larger than the sum of its proper divisors (1450862247).

2383394949 is a wasteful number, since it uses less digits than its factorization.

2383394949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263458 (or 2263449 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 2383394949 is about 48820.0261060971. The cubic root of 2383394949 is about 1335.7709825103.

The spelling of 2383394949 in words is "two billion, three hundred eighty-three million, three hundred ninety-four thousand, nine hundred forty-nine".

Divisors: 1 3 9 13 27 39 81 117 351 1053 2263433 6790299 20370897 29424629 61112691 88273887 183338073 264821661 794464983 2383394949