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5187456238 = 231823101663
BaseRepresentation
bin1001101010011001…
…00100110011101110
3111101112010002011211
410311030210303232
541110442044423
62214425105034
7242356436056
oct46514446356
914345102154
105187456238
112222202718
12100932817a
13648943543
14372d3a566
1520563410d
hex135324cee

5187456238 has 16 divisors (see below), whose sum is σ = 8042029056. Its totient is φ = 2506984920.

The previous prime is 5187456221. The next prime is 5187456251. The reversal of 5187456238 is 8326547815.

It is a happy number.

It is a super-2 number, since 2×51874562382 = 53819404442330225288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5187456191 and 5187456200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195 + ... + 101857.

It is an arithmetic number, because the mean of its divisors is an integer number (502626816).

Almost surely, 25187456238 is an apocalyptic number.

5187456238 is a deficient number, since it is larger than the sum of its proper divisors (2854572818).

5187456238 is a wasteful number, since it uses less digits than its factorization.

5187456238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102519.

The product of its digits is 1612800, while the sum is 49.

The square root of 5187456238 is about 72023.9976535599. The cubic root of 5187456238 is about 1731.0840252933.

The spelling of 5187456238 in words is "five billion, one hundred eighty-seven million, four hundred fifty-six thousand, two hundred thirty-eight".

Divisors: 1 2 31 62 823 1646 25513 51026 101663 203326 3151553 6303106 83668649 167337298 2593728119 5187456238