Search a number
-
+
3970704842 = 213612503597
BaseRepresentation
bin1110110010101100…
…0010010111001010
3101020201120201001022
43230223002113022
531113000023332
61454001552442
7200253301646
oct35453022712
911221521038
103970704842
1117583a5355
12929945722
134b38354c0
142994c9c26
151838da212
hexecac25ca

3970704842 has 16 divisors (see below), whose sum is σ = 6519369192. Its totient is φ = 1802589120.

The previous prime is 3970704821. The next prime is 3970704847. The reversal of 3970704842 is 2484070793.

3970704842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 375623161 + 3595081681 = 19381^2 + 59959^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3970704793 and 3970704802.

It is not an unprimeable number, because it can be changed into a prime (3970704847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250213 + ... + 1253384.

Almost surely, 23970704842 is an apocalyptic number.

3970704842 is a deficient number, since it is larger than the sum of its proper divisors (2548664350).

3970704842 is a wasteful number, since it uses less digits than its factorization.

3970704842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503673.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 3970704842 is about 63013.5290394055. The cubic root of 3970704842 is about 1583.5162890290.

The spelling of 3970704842 in words is "three billion, nine hundred seventy million, seven hundred four thousand, eight hundred forty-two".

Divisors: 1 2 13 26 61 122 793 1586 2503597 5007194 32546761 65093522 152719417 305438834 1985352421 3970704842