Search a number
-
+
5681907 = 34711911
BaseRepresentation
bin10101101011001011110011
3101200200010000
4111223023303
52423310112
6321441043
766203220
oct25531363
911620100
105681907
1132309a0
121aa0183
13123c29a
14a7c947
157737dc
hex56b2f3

5681907 has 40 divisors (see below), whose sum is σ = 10593792. Its totient is φ = 2948400.

The previous prime is 5681899. The next prime is 5681911. The reversal of 5681907 is 7091865.

5681907 is a `hidden beast` number, since 568 + 1 + 90 + 7 = 666.

It is not a de Polignac number, because 5681907 - 23 = 5681899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5681947) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5782 + ... + 6692.

Almost surely, 25681907 is an apocalyptic number.

5681907 is a deficient number, since it is larger than the sum of its proper divisors (4911885).

5681907 is a wasteful number, since it uses less digits than its factorization.

5681907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5681907 is about 2383.6751037002. The cubic root of 5681907 is about 178.4423936700.

The spelling of 5681907 in words is "five million, six hundred eighty-one thousand, nine hundred seven".

Divisors: 1 3 7 9 11 21 27 33 63 77 81 99 189 231 297 567 693 891 911 2079 2733 6237 6377 8199 10021 19131 24597 30063 57393 70147 73791 90189 172179 210441 270567 516537 631323 811701 1893969 5681907