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3881730834 = 232215651713
BaseRepresentation
bin1110011101011110…
…1000001100010010
3101000112011100122200
43213113220030102
530422210341314
61441102544030
7165123111342
oct34727501422
911015140580
103881730834
111712154913
12903b98016
1349b282567
1428b768d22
1517abb2709
hexe75e8312

3881730834 has 12 divisors (see below), whose sum is σ = 8410416846. Its totient is φ = 1293910272.

The previous prime is 3881730833. The next prime is 3881730857. The reversal of 3881730834 is 4380371883.

3881730834 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3386890809 + 494840025 = 58197^2 + 22245^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3881730834.

It is not an unprimeable number, because it can be changed into a prime (3881730833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107825839 + ... + 107825874.

Almost surely, 23881730834 is an apocalyptic number.

3881730834 is an abundant number, since it is smaller than the sum of its proper divisors (4528686012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3881730834 is a wasteful number, since it uses less digits than its factorization.

3881730834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215651721 (or 215651718 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3881730834 is about 62303.5378931245. The cubic root of 3881730834 is about 1571.5992243091.

The spelling of 3881730834 in words is "three billion, eight hundred eighty-one million, seven hundred thirty thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 215651713 431303426 646955139 1293910278 1940865417 3881730834