Search a number
-
+
4807971 = 33725439
BaseRepresentation
bin10010010101110100100011
3100001021022000
4102111310203
52212323341
6251015043
755603260
oct22256443
910037260
104807971
112794333
12173a483
13cc456c
148d2267
1564e8b6
hex495d23

4807971 has 16 divisors (see below), whose sum is σ = 8140800. Its totient is φ = 2747304.

The previous prime is 4807967. The next prime is 4807973. The reversal of 4807971 is 1797084.

It is not a de Polignac number, because 4807971 - 22 = 4807967 is a prime.

It is a super-3 number, since 3×48079713 (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4807973) 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 15 ways as a sum of consecutive naturals, for example, 12531 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (508800).

Almost surely, 24807971 is an apocalyptic number.

4807971 is a deficient number, since it is larger than the sum of its proper divisors (3332829).

4807971 is a wasteful number, since it uses less digits than its factorization.

4807971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25455 (or 25449 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 4807971 is about 2192.7085989707. The cubic root of 4807971 is about 168.7798564457.

It can be divided in two parts, 4807 and 971, that added together give a triangular number (5778 = T107).

The spelling of 4807971 in words is "four million, eight hundred seven thousand, nine hundred seventy-one".

Divisors: 1 3 7 9 21 27 63 189 25439 76317 178073 228951 534219 686853 1602657 4807971