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5240689161 = 317102758611
BaseRepresentation
bin1001110000101111…
…01001001000001001
3111112020021121000120
410320113221020021
541213104023121
62224010053453
7243604060101
oct47027511011
914466247016
105240689161
11224a261374
12102311a289
13656991306
1437a036201
1520a14bbc6
hex1385e9209

5240689161 has 8 divisors (see below), whose sum is σ = 7398620064. Its totient is φ = 3288275520.

The previous prime is 5240689141. The next prime is 5240689171. The reversal of 5240689161 is 1619860425.

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

It is not a de Polignac number, because 5240689161 - 27 = 5240689033 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5240689141) 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, 51379255 + ... + 51379356.

It is an arithmetic number, because the mean of its divisors is an integer number (924827508).

Almost surely, 25240689161 is an apocalyptic number.

5240689161 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5240689161 is a deficient number, since it is larger than the sum of its proper divisors (2157930903).

5240689161 is a wasteful number, since it uses less digits than its factorization.

5240689161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102758631.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 5240689161 is about 72392.6043253038. The cubic root of 5240689161 is about 1736.9852628814.

The spelling of 5240689161 in words is "five billion, two hundred forty million, six hundred eighty-nine thousand, one hundred sixty-one".

Divisors: 1 3 17 51 102758611 308275833 1746896387 5240689161