[go: up one dir, main page]

Search a number
-
+
4971131 = 11451921
BaseRepresentation
bin10010111101101001111011
3100100120002222
4102331221323
52233034011
6254314255
760153044
oct22755173
910316088
104971131
112895980
1217b898b
1310508c9
149358cb
15682ddb
hex4bda7b

4971131 has 4 divisors (see below), whose sum is σ = 5423064. Its totient is φ = 4519200.

The previous prime is 4971053. The next prime is 4971133. The reversal of 4971131 is 1311794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4971131 is a prime.

It is a super-2 number, since 2×49711312 = 49424286838322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4971131.

It is not an unprimeable number, because it can be changed into a prime (4971133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225950 + ... + 225971.

It is an arithmetic number, because the mean of its divisors is an integer number (1355766).

Almost surely, 24971131 is an apocalyptic number.

4971131 is a deficient number, since it is larger than the sum of its proper divisors (451933).

4971131 is a wasteful number, since it uses less digits than its factorization.

4971131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451932.

The product of its digits is 756, while the sum is 26.

The square root of 4971131 is about 2229.6033279487. The cubic root of 4971131 is about 170.6678572678.

The spelling of 4971131 in words is "four million, nine hundred seventy-one thousand, one hundred thirty-one".

Divisors: 1 11 451921 4971131