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252503 = 298707
BaseRepresentation
bin111101101001010111
3110211100222
4331221113
531040003
65224555
72101106
oct755127
9424328
10252503
11162789
1210215b
138ac14
146803d
154ec38
hex3da57

252503 has 4 divisors (see below), whose sum is σ = 261240. Its totient is φ = 243768.

The previous prime is 252481. The next prime is 252509. The reversal of 252503 is 305252.

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

It is a cyclic number.

It is not a de Polignac number, because 252503 - 212 = 248407 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252503.

It is not an unprimeable number, because it can be changed into a prime (252509) 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, 4325 + ... + 4382.

It is an arithmetic number, because the mean of its divisors is an integer number (65310).

2252503 is an apocalyptic number.

252503 is a deficient number, since it is larger than the sum of its proper divisors (8737).

252503 is an equidigital number, since it uses as much as digits as its factorization.

252503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 252503 is about 502.4967661587. The cubic root of 252503 is about 63.2055935604.

Adding to 252503 its reverse (305252), we get a palindrome (557755).

It can be divided in two parts, 252 and 503, that multiplied together give a triangular number (126756 = T503).

The spelling of 252503 in words is "two hundred fifty-two thousand, five hundred three".

Divisors: 1 29 8707 252503