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52236245 = 573143113
BaseRepresentation
bin1100011101000…
…0111111010101
310122021212122202
43013100333111
5101333024440
65103334245
71203000155
oct307207725
9118255582
1052236245
1127538956
12155b1385
13aa8c229
146d1a765
1548bc615
hex31d0fd5

52236245 has 8 divisors (see below), whose sum is σ = 63542616. Its totient is φ = 41216256.

The previous prime is 52236227. The next prime is 52236251. The reversal of 52236245 is 54263225.

It can be written as a sum of positive squares in 4 ways, for example, as 64516 + 52171729 = 254^2 + 7223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52236245 - 210 = 52235221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71192 + ... + 71921.

It is an arithmetic number, because the mean of its divisors is an integer number (7942827).

Almost surely, 252236245 is an apocalyptic number.

It is an amenable number.

52236245 is a deficient number, since it is larger than the sum of its proper divisors (11306371).

52236245 is a wasteful number, since it uses less digits than its factorization.

52236245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143191.

The product of its digits is 14400, while the sum is 29.

The square root of 52236245 is about 7227.4646315288. The cubic root of 52236245 is about 373.8155099689.

The spelling of 52236245 in words is "fifty-two million, two hundred thirty-six thousand, two hundred forty-five".

Divisors: 1 5 73 365 143113 715565 10447249 52236245