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52243232 = 251739437
BaseRepresentation
bin1100011101001…
…0101100100000
310122022020020112
43013102230200
5101333240412
65103430452
71203026426
oct307225440
9118266215
1052243232
1127543128
12155b5428
13aa92472
146d1d116
1548be722
hex31d2b20

52243232 has 24 divisors (see below), whose sum is σ = 103459356. Its totient is φ = 25967872.

The previous prime is 52243231. The next prime is 52243283. The reversal of 52243232 is 23234225.

It can be written as a sum of positive squares in 2 ways, for example, as 48385936 + 3857296 = 6956^2 + 1964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52243198 and 52243207.

It is not an unprimeable number, because it can be changed into a prime (52243231) by changing a digit.

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, 818 + ... + 10254.

Almost surely, 252243232 is an apocalyptic number.

It is an amenable number.

52243232 is a deficient number, since it is larger than the sum of its proper divisors (51216124).

52243232 is a wasteful number, since it uses less digits than its factorization.

52243232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620 (or 9612 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 52243232 is about 7227.9479798903. The cubic root of 52243232 is about 373.8321761269.

Adding to 52243232 its reverse (23234225), we get a palindrome (75477457).

The spelling of 52243232 in words is "fifty-two million, two hundred forty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 173 346 692 1384 2768 5536 9437 18874 37748 75496 150992 301984 1632601 3265202 6530404 13060808 26121616 52243232