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5129217 = 33271701
BaseRepresentation
bin10011100100010000000001
3100122120222000
4103210100001
52303113332
6301534213
761411662
oct23442001
910576860
105129217
112993725
121874369
1310a7852
14977369
156b4b7c
hex4e4401

5129217 has 16 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 3402000.

The previous prime is 5129197. The next prime is 5129227. The reversal of 5129217 is 7129215.

It is not a de Polignac number, because 5129217 - 26 = 5129153 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5129227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6967 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (477360).

Almost surely, 25129217 is an apocalyptic number.

It is an amenable number.

5129217 is a deficient number, since it is larger than the sum of its proper divisors (2508543).

5129217 is a wasteful number, since it uses less digits than its factorization.

5129217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 975 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 5129217 is about 2264.7774725125. Note that the first 3 decimals coincide. The cubic root of 5129217 is about 172.4581372895.

The spelling of 5129217 in words is "five million, one hundred twenty-nine thousand, two hundred seventeen".

Divisors: 1 3 9 27 271 701 813 2103 2439 6309 7317 18927 189971 569913 1709739 5129217