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3839225989 = 4245190439
BaseRepresentation
bin1110010011010101…
…1111000010000101
3100220120011212222011
43210311133002011
530330320212424
61432543534221
7164065611454
oct34465370205
910816155864
103839225989
1116a0163345
128b18ba371
1349251c871
14285c62b9b
151770b8694
hexe4d5f085

3839225989 has 4 divisors (see below), whose sum is σ = 3839358880. Its totient is φ = 3839093100.

The previous prime is 3839225977. The next prime is 3839226023. The reversal of 3839225989 is 9895229383.

3839225989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9895229383 = 13761171491.

It is a cyclic number.

It is not a de Polignac number, because 3839225989 - 29 = 3839225477 is a prime.

It is a super-2 number, since 2×38392259892 = 29479312389226056242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3839225909) 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, 2769 + ... + 87670.

It is an arithmetic number, because the mean of its divisors is an integer number (959839720).

Almost surely, 23839225989 is an apocalyptic number.

It is an amenable number.

3839225989 is a deficient number, since it is larger than the sum of its proper divisors (132891).

3839225989 is an equidigital number, since it uses as much as digits as its factorization.

3839225989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132890.

The product of its digits is 8398080, while the sum is 58.

The square root of 3839225989 is about 61961.4879501776. The cubic root of 3839225989 is about 1565.8418358345.

The spelling of 3839225989 in words is "three billion, eight hundred thirty-nine million, two hundred twenty-five thousand, nine hundred eighty-nine".

Divisors: 1 42451 90439 3839225989