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4392248669 = 7975510977
BaseRepresentation
bin1000001011100110…
…00110010101011101
3102100002210100110122
410011303012111131
532443403424134
62003501044325
7213562332464
oct40563062535
912302710418
104392248669
111954345486
12a26b566a5
1354cc7ab13
142d949b9db
151aa90702e
hex105cc655d

4392248669 has 4 divisors (see below), whose sum is σ = 4397760444. Its totient is φ = 4386736896.

The previous prime is 4392248657. The next prime is 4392248683. The reversal of 4392248669 is 9668422934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9668422934 = 24834211467.

It can be written as a sum of positive squares in 2 ways, for example, as 3543225625 + 849023044 = 59525^2 + 29138^2 .

It is a cyclic number.

It is not a de Polignac number, because 4392248669 - 224 = 4375471453 is a prime.

It is a super-2 number, since 2×43922486692 = 38583696740664543122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4392248669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4392248689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754692 + ... + 2756285.

It is an arithmetic number, because the mean of its divisors is an integer number (1099440111).

Almost surely, 24392248669 is an apocalyptic number.

It is an amenable number.

4392248669 is a deficient number, since it is larger than the sum of its proper divisors (5511775).

4392248669 is an equidigital number, since it uses as much as digits as its factorization.

4392248669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511774.

The product of its digits is 4478976, while the sum is 53.

The square root of 4392248669 is about 66274.0421960212. The cubic root of 4392248669 is about 1637.6797285701.

The spelling of 4392248669 in words is "four billion, three hundred ninety-two million, two hundred forty-eight thousand, six hundred sixty-nine".

Divisors: 1 797 5510977 4392248669