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52813630 = 2516332401
BaseRepresentation
bin1100100101110…
…1111100111110
310200101012200101
43021131330332
5102010014010
65123551314
71210623412
oct311357476
9120335611
1052813630
11278a2731
121582b53a
13ac31c8c
14702ad42
15498373a
hex325df3e

52813630 has 16 divisors (see below), whose sum is σ = 95650704. Its totient is φ = 20995200.

The previous prime is 52813627. The next prime is 52813639. The reversal of 52813630 is 3631825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52813639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14571 + ... + 17830.

It is an arithmetic number, because the mean of its divisors is an integer number (5978169).

Almost surely, 252813630 is an apocalyptic number.

52813630 is a deficient number, since it is larger than the sum of its proper divisors (42837074).

52813630 is a wasteful number, since it uses less digits than its factorization.

52813630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32571.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52813630 is about 7267.2986728220. The cubic root of 52813630 is about 375.1877696681.

It can be divided in two parts, 5281 and 3630, that added together give a triangular number (8911 = T133).

The spelling of 52813630 in words is "fifty-two million, eight hundred thirteen thousand, six hundred thirty".

Divisors: 1 2 5 10 163 326 815 1630 32401 64802 162005 324010 5281363 10562726 26406815 52813630