Search a number
-
+
5380494521 = 12174421113
BaseRepresentation
bin1010000001011001…
…11101010010111001
3111212222100102220212
411000230331102321
542004401311041
62245522400505
7250222306643
oct50054752271
914788312825
105380494521
112311170196
121061b00135
13679930b8c
14390829893
152175658eb
hex140b3d4b9

5380494521 has 4 divisors (see below), whose sum is σ = 5384916852. Its totient is φ = 5376072192.

The previous prime is 5380494503. The next prime is 5380494593. The reversal of 5380494521 is 1254940835.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1700737600 + 3679756921 = 41240^2 + 60661^2 .

It is a cyclic number.

It is not a de Polignac number, because 5380494521 - 214 = 5380478137 is a prime.

It is a super-2 number, since 2×53804945212 = 57899442581022038882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5380494421) 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, 2209340 + ... + 2211773.

It is an arithmetic number, because the mean of its divisors is an integer number (1346229213).

Almost surely, 25380494521 is an apocalyptic number.

It is an amenable number.

5380494521 is a deficient number, since it is larger than the sum of its proper divisors (4422331).

5380494521 is a wasteful number, since it uses less digits than its factorization.

5380494521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422330.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 5380494521 is about 73351.8542437749. The cubic root of 5380494521 is about 1752.2957104649.

The spelling of 5380494521 in words is "five billion, three hundred eighty million, four hundred ninety-four thousand, five hundred twenty-one".

Divisors: 1 1217 4421113 5380494521