Search a number
-
+
3681130 = 25379949
BaseRepresentation
bin1110000010101101101010
320221000120011
432002231222
51420244010
6210522134
743201105
oct16025552
96830504
103681130
112094762
12129634a
139bb6ab
146bb73c
154caa8a
hex382b6a

3681130 has 16 divisors (see below), whose sum is σ = 6805800. Its totient is φ = 1432512.

The previous prime is 3681113. The next prime is 3681131. The reversal of 3681130 is 311863.

3681130 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 3381921 + 299209 = 1839^2 + 547^2 .

It is not an unprimeable number, because it can be changed into a prime (3681131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605 + ... + 5344.

Almost surely, 23681130 is an apocalyptic number.

3681130 is a deficient number, since it is larger than the sum of its proper divisors (3124670).

3681130 is a wasteful number, since it uses less digits than its factorization.

3681130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3681130 is about 1918.6271133287. The cubic root of 3681130 is about 154.4046534522.

Adding to 3681130 its reverse (311863), we get a palindrome (3992993).

The spelling of 3681130 in words is "three million, six hundred eighty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 9949 19898 49745 99490 368113 736226 1840565 3681130