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52243797 = 399717467
BaseRepresentation
bin1100011101001…
…0110101010101
310122022021000110
43013102311111
5101333300142
65103433233
71203031164
oct307226525
9118267013
1052243797
11275435a1
12155b5819
13aa927b8
146d1d3db
1548be99c
hex31d2d55

52243797 has 8 divisors (see below), whose sum is σ = 69732256. Its totient is φ = 34792272.

The previous prime is 52243777. The next prime is 52243813. The reversal of 52243797 is 79734225.

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

It is not a de Polignac number, because 52243797 - 219 = 51719509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52243777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5743 + ... + 11724.

It is an arithmetic number, because the mean of its divisors is an integer number (8716532).

Almost surely, 252243797 is an apocalyptic number.

It is an amenable number.

52243797 is a deficient number, since it is larger than the sum of its proper divisors (17488459).

52243797 is a wasteful number, since it uses less digits than its factorization.

52243797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18467.

The product of its digits is 105840, while the sum is 39.

The square root of 52243797 is about 7227.9870641832. The cubic root of 52243797 is about 373.8335237618.

The spelling of 52243797 in words is "fifty-two million, two hundred forty-three thousand, seven hundred ninety-seven".

Divisors: 1 3 997 2991 17467 52401 17414599 52243797