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5211197 = 17306541
BaseRepresentation
bin10011111000010000111101
3100210202102022
4103320100331
52313224242
6303405525
762202665
oct23702075
910722368
105211197
112a3a282
1218b38a5
131105c64
149991a5
156ce0d2
hex4f843d

5211197 has 4 divisors (see below), whose sum is σ = 5517756. Its totient is φ = 4904640.

The previous prime is 5211109. The next prime is 5211209. The reversal of 5211197 is 7911125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 3345241 = 1366^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 5211197 - 28 = 5210941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153254 + ... + 153287.

It is an arithmetic number, because the mean of its divisors is an integer number (1379439).

Almost surely, 25211197 is an apocalyptic number.

It is an amenable number.

5211197 is a deficient number, since it is larger than the sum of its proper divisors (306559).

5211197 is a wasteful number, since it uses less digits than its factorization.

5211197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306558.

The product of its digits is 630, while the sum is 26.

The square root of 5211197 is about 2282.8046346545. The cubic root of 5211197 is about 173.3720816561.

The spelling of 5211197 in words is "five million, two hundred eleven thousand, one hundred ninety-seven".

Divisors: 1 17 306541 5211197