Search a number
-
+
5240149643 = 181115125153
BaseRepresentation
bin1001110000101011…
…00101011010001011
3111112012021011221102
410320111211122023
541212434242033
62223550332015
7243566352131
oct47025453213
914465234842
105240149643
112249a22a93
121022aba00b
13656832881
14379d35751
1520a091de8
hex13856568b

5240149643 has 8 divisors (see below), whose sum is σ = 5273888256. Its totient is φ = 5206464000.

The previous prime is 5240149609. The next prime is 5240149657. The reversal of 5240149643 is 3469410425.

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 5240149643 - 210 = 5240148619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5240149597 and 5240149606.

It is not an unprimeable number, because it can be changed into a prime (5240149043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195755 + ... + 220907.

It is an arithmetic number, because the mean of its divisors is an integer number (659236032).

Almost surely, 25240149643 is an apocalyptic number.

5240149643 is a deficient number, since it is larger than the sum of its proper divisors (33738613).

5240149643 is a wasteful number, since it uses less digits than its factorization.

5240149643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26485.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 5240149643 is about 72388.8778957099. The cubic root of 5240149643 is about 1736.9256545013.

The spelling of 5240149643 in words is "five billion, two hundred forty million, one hundred forty-nine thousand, six hundred forty-three".

Divisors: 1 181 1151 25153 208331 4552693 28951103 5240149643