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5205503 = 31316631
BaseRepresentation
bin10011110110110111111111
3100210110121102
4103312313333
52313034003
6303323315
762150252
oct23666777
910713542
105205503
112a35a76
1218b053b
1311034a4
14997099
156cc588
hex4f6dff

5205503 has 4 divisors (see below), whose sum is σ = 5222448. Its totient is φ = 5188560.

The previous prime is 5205491. The next prime is 5205523. The reversal of 5205503 is 3055025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5205503 is a prime.

It is a super-2 number, since 2×52055032 = 54194522966018, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205523) 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, 8003 + ... + 8628.

It is an arithmetic number, because the mean of its divisors is an integer number (1305612).

Almost surely, 25205503 is an apocalyptic number.

5205503 is a deficient number, since it is larger than the sum of its proper divisors (16945).

5205503 is a wasteful number, since it uses less digits than its factorization.

5205503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 5205503 is about 2281.5571437069. The cubic root of 5205503 is about 173.3089138018.

The spelling of 5205503 in words is "five million, two hundred five thousand, five hundred three".

Divisors: 1 313 16631 5205503