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52503 = 3113743
BaseRepresentation
bin1100110100010111
32200000120
430310113
53140003
61043023
7306033
oct146427
980016
1052503
11364a0
1226473
131ab89
14151c3
1510853
hexcd17

52503 has 16 divisors (see below), whose sum is σ = 80256. Its totient is φ = 30240.

The previous prime is 52501. The next prime is 52511. The reversal of 52503 is 30525.

Added to its reverse (30525) it gives a triangular number (83028 = T407).

It is not a de Polignac number, because 52503 - 21 = 52501 is a prime.

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

52503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (5016).

252503 is an apocalyptic number.

52503 is a deficient number, since it is larger than the sum of its proper divisors (27753).

52503 is a wasteful number, since it uses less digits than its factorization.

52503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 52503 is about 229.1353311910. The cubic root of 52503 is about 37.4450751484.

Adding to 52503 its reverse (30525), we get a triangular number (83028 = T407).

It can be divided in two parts, 5250 and 3, that added together give a triangular number (5253 = T102).

The spelling of 52503 in words is "fifty-two thousand, five hundred three".

Divisors: 1 3 11 33 37 43 111 129 407 473 1221 1419 1591 4773 17501 52503