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5131172 = 224492857
BaseRepresentation
bin10011100100101110100100
3100122200122102
4103210232210
52303144142
6301551232
761420454
oct23445644
910580572
105131172
112995142
121875518
1310a86c7
14977d64
156b5532
hex4e4ba4

5131172 has 12 divisors (see below), whose sum is σ = 9002700. Its totient is φ = 2558976.

The previous prime is 5131163. The next prime is 5131177. The reversal of 5131172 is 2711315.

It can be written as a sum of positive squares in 2 ways, for example, as 3297856 + 1833316 = 1816^2 + 1354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (750225).

Almost surely, 25131172 is an apocalyptic number.

It is an amenable number.

5131172 is a deficient number, since it is larger than the sum of its proper divisors (3871528).

5131172 is a wasteful number, since it uses less digits than its factorization.

5131172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310 (or 3308 counting only the distinct ones).

The product of its digits is 210, while the sum is 20.

The square root of 5131172 is about 2265.2090411262. The cubic root of 5131172 is about 172.4800453008.

Adding to 5131172 its reverse (2711315), we get a palindrome (7842487).

The spelling of 5131172 in words is "five million, one hundred thirty-one thousand, one hundred seventy-two".

Divisors: 1 2 4 449 898 1796 2857 5714 11428 1282793 2565586 5131172