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5205243 = 31998719
BaseRepresentation
bin10011110110110011111011
3100210110020210
4103312303323
52313031433
6303322203
762146431
oct23666373
910713223
105205243
112a3585a
1218b0363
131103334
14996d51
156cc463
hex4f6cfb

5205243 has 8 divisors (see below), whose sum is σ = 6976000. Its totient is φ = 3452328.

The previous prime is 5205227. The next prime is 5205251. The reversal of 5205243 is 3425025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5205243 - 24 = 5205227 is a prime.

It is an Ulam number.

It is the 2282-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5205253) by changing a digit.

It is a nontrivial repunit in base 2281.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (872000).

Almost surely, 25205243 is an apocalyptic number.

5205243 is a deficient number, since it is larger than the sum of its proper divisors (1770757).

5205243 is a wasteful number, since it uses less digits than its factorization.

5205243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 5205243 is about 2281.5001643655. The cubic root of 5205243 is about 173.3060283255.

The spelling of 5205243 in words is "five million, two hundred five thousand, two hundred forty-three".

Divisors: 1 3 199 597 8719 26157 1735081 5205243