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3679825789 = 8669424481
BaseRepresentation
bin1101101101010101…
…1010111101111101
3100111110020112000001
43123111122331331
530014013411124
61405051234301
7160122001033
oct33325327575
910443215001
103679825789
111619190642
12868448991
134684ac113
1426ca0c553
151680cdb44
hexdb55af7d

3679825789 has 4 divisors (see below), whose sum is σ = 3680258940. Its totient is φ = 3679392640.

The previous prime is 3679825781. The next prime is 3679825871. The reversal of 3679825789 is 9875289763.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2128253689 + 1551572100 = 46133^2 + 39390^2 .

It is a cyclic number.

It is not a de Polignac number, because 3679825789 - 23 = 3679825781 is a prime.

It is a super-2 number, since 2×36798257892 = 27082235674778945042, 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 3679825789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3679825781) 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, 203572 + ... + 220909.

It is an arithmetic number, because the mean of its divisors is an integer number (920064735).

Almost surely, 23679825789 is an apocalyptic number.

It is an amenable number.

3679825789 is a deficient number, since it is larger than the sum of its proper divisors (433151).

3679825789 is an equidigital number, since it uses as much as digits as its factorization.

3679825789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433150.

The product of its digits is 45722880, while the sum is 64.

The square root of 3679825789 is about 60661.5676437726. The cubic root of 3679825789 is about 1543.8641629549.

The spelling of 3679825789 in words is "three billion, six hundred seventy-nine million, eight hundred twenty-five thousand, seven hundred eighty-nine".

Divisors: 1 8669 424481 3679825789