Search a number
-
+
4920681 = 36724481
BaseRepresentation
bin10010110001010101101001
3100020222220110
4102301111221
52224430211
6253244533
756553003
oct22612551
910228813
104920681
112860a87
121793749
13103395c
14921373
15672ea6
hex4b1569

4920681 has 8 divisors (see below), whose sum is σ = 6659104. Its totient is φ = 3231360.

The previous prime is 4920649. The next prime is 4920683. The reversal of 4920681 is 1860294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4920681 - 25 = 4920649 is a prime.

It is a super-2 number, since 2×49206812 = 48426203007522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4920683) 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, 12040 + ... + 12441.

It is an arithmetic number, because the mean of its divisors is an integer number (832388).

Almost surely, 24920681 is an apocalyptic number.

It is an amenable number.

4920681 is a deficient number, since it is larger than the sum of its proper divisors (1738423).

4920681 is a wasteful number, since it uses less digits than its factorization.

4920681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24551.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4920681 is about 2218.2608052256. The cubic root of 4920681 is about 170.0885467202.

The spelling of 4920681 in words is "four million, nine hundred twenty thousand, six hundred eighty-one".

Divisors: 1 3 67 201 24481 73443 1640227 4920681