Search a number
-
+
5420743581 = 311164264957
BaseRepresentation
bin1010000110001100…
…11111101110011101
3111222210002022020210
411003012133232131
542100202243311
62253521203033
7251221363101
oct50306375635
914883068223
105420743581
112331960980
121073490479
13685083ba6
14395d05901
1521ad663a6
hex14319fb9d

5420743581 has 8 divisors (see below), whose sum is σ = 7884717984. Its totient is φ = 3285299120.

The previous prime is 5420743579. The next prime is 5420743583. The reversal of 5420743581 is 1853470245.

It is an interprime number because it is at equal distance from previous prime (5420743579) and next prime (5420743583).

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

It is a cyclic number.

It is not a de Polignac number, because 5420743581 - 21 = 5420743579 is a prime.

It is a super-2 number, since 2×54207435812 = 58768921941905407122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420743583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82132446 + ... + 82132511.

It is an arithmetic number, because the mean of its divisors is an integer number (985589748).

Almost surely, 25420743581 is an apocalyptic number.

It is an amenable number.

5420743581 is a deficient number, since it is larger than the sum of its proper divisors (2463974403).

5420743581 is a wasteful number, since it uses less digits than its factorization.

5420743581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164264971.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 5420743581 is about 73625.6991885306. The cubic root of 5420743581 is about 1756.6542391445.

The spelling of 5420743581 in words is "five billion, four hundred twenty million, seven hundred forty-three thousand, five hundred eighty-one".

Divisors: 1 3 11 33 164264957 492794871 1806914527 5420743581