Search a number
-
+
5218872469 = 23832190043
BaseRepresentation
bin1001101110001000…
…11010110010010101
3111110201020012010221
410313010122302111
541142012404334
62221510314341
7243220453426
oct46704326225
914421205127
105218872469
112238a10148
1210179589b1
136522c3025
1437719764d
1520828c8b4
hex13711ac95

5218872469 has 4 divisors (see below), whose sum is σ = 5221064896. Its totient is φ = 5216680044.

The previous prime is 5218872467. The next prime is 5218872499. The reversal of 5218872469 is 9642788125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5218872469 - 21 = 5218872467 is a prime.

It is a super-2 number, since 2×52188724692 = 54473259695372311922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218872467) 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, 1092639 + ... + 1097404.

It is an arithmetic number, because the mean of its divisors is an integer number (1305266224).

Almost surely, 25218872469 is an apocalyptic number.

It is an amenable number.

5218872469 is a deficient number, since it is larger than the sum of its proper divisors (2192427).

5218872469 is a wasteful number, since it uses less digits than its factorization.

5218872469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192426.

The product of its digits is 1935360, while the sum is 52.

The square root of 5218872469 is about 72241.7640219285. The cubic root of 5218872469 is about 1734.5715867046.

The spelling of 5218872469 in words is "five billion, two hundred eighteen million, eight hundred seventy-two thousand, four hundred sixty-nine".

Divisors: 1 2383 2190043 5218872469