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5172269 = 7370853
BaseRepresentation
bin10011101110110000101101
3100201210000112
4103232300231
52311003034
6302505405
761651334
oct23566055
910653015
105172269
112a13003
121895265
1310c131b
14988d1b
156c27ce
hex4eec2d

5172269 has 4 divisors (see below), whose sum is σ = 5243196. Its totient is φ = 5101344.

The previous prime is 5172259. The next prime is 5172283. The reversal of 5172269 is 9622715.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9622715 = 51924543.

It can be written as a sum of positive squares in 2 ways, for example, as 3822025 + 1350244 = 1955^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 5172269 - 24 = 5172253 is a prime.

It is a super-2 number, since 2×51722692 = 53504733216722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35354 + ... + 35499.

It is an arithmetic number, because the mean of its divisors is an integer number (1310799).

Almost surely, 25172269 is an apocalyptic number.

It is an amenable number.

5172269 is a deficient number, since it is larger than the sum of its proper divisors (70927).

5172269 is an equidigital number, since it uses as much as digits as its factorization.

5172269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70926.

The product of its digits is 7560, while the sum is 32.

The square root of 5172269 is about 2274.2622979771. The cubic root of 5172269 is about 172.9393017707.

The spelling of 5172269 in words is "five million, one hundred seventy-two thousand, two hundred sixty-nine".

Divisors: 1 73 70853 5172269