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52003250 = 2531316001
BaseRepresentation
bin1100011001100…
…0000110110010
310121212001001022
43012120012302
5101303101000
65054335442
71201006655
oct306300662
9117761038
1052003250
11273998a2
12154ba582
13aa0a170
146c9989c
154873585
hex31981b2

52003250 has 32 divisors (see below), whose sum is σ = 104845104. Its totient is φ = 19200000.

The previous prime is 52003219. The next prime is 52003307. The reversal of 52003250 is 5230025.

It can be written as a sum of positive squares in 8 ways, for example, as 1635841 + 50367409 = 1279^2 + 7097^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4751 + ... + 11250.

Almost surely, 252003250 is an apocalyptic number.

52003250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52003250 is an abundant number, since it is smaller than the sum of its proper divisors (52841854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52003250 is a wasteful number, since it uses less digits than its factorization.

52003250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16031 (or 16021 counting only the distinct ones).

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

The square root of 52003250 is about 7211.3278943618. The cubic root of 52003250 is about 373.2588915846.

Adding to 52003250 its reverse (5230025), we get a palindrome (57233275).

The spelling of 52003250 in words is "fifty-two million, three thousand, two hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 125 130 250 325 650 1625 3250 16001 32002 80005 160010 208013 400025 416026 800050 1040065 2000125 2080130 4000250 5200325 10400650 26001625 52003250