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52250432 = 261362801
BaseRepresentation
bin1100011101010…
…0011101000000
310122022121010012
43013110131000
5101334003212
65103524052
71203056423
oct307243500
9118277105
1052250432
1127548583
12155b9628
13aa95820
146d219ba
1548c1922
hex31d4740

52250432 has 28 divisors (see below), whose sum is σ = 111661956. Its totient is φ = 24115200.

The previous prime is 52250423. The next prime is 52250447. The reversal of 52250432 is 23405225.

It can be written as a sum of positive squares in 2 ways, for example, as 5683456 + 46566976 = 2384^2 + 6824^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52250398 and 52250407.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 30569 + ... + 32232.

It is an arithmetic number, because the mean of its divisors is an integer number (3987927).

Almost surely, 252250432 is an apocalyptic number.

52250432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52250432 is an abundant number, since it is smaller than the sum of its proper divisors (59411524).

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

52250432 is a wasteful number, since it uses less digits than its factorization.

52250432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62826 (or 62816 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52250432 is about 7228.4460294036. The cubic root of 52250432 is about 373.8493488012.

Adding to 52250432 its reverse (23405225), we get a palindrome (75655657).

The spelling of 52250432 in words is "fifty-two million, two hundred fifty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 62801 125602 251204 502408 816413 1004816 1632826 2009632 3265652 4019264 6531304 13062608 26125216 52250432