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52973686 = 2238911087
BaseRepresentation
bin1100101000010…
…1000001110110
310200200100020101
43022011001312
5102030124221
65131224314
71212161143
oct312050166
9120610211
1052973686
11279a1a07
12158a809a
13ac89a9c
14706d3ca
1549b5d91
hex3285076

52973686 has 8 divisors (see below), whose sum is σ = 79500960. Its totient is φ = 26473368.

The previous prime is 52973647. The next prime is 52973689. The reversal of 52973686 is 68637925.

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

It is a super-2 number, since 2×529736862 = 5612422816853192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52973689) 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, 766 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (9937620).

Almost surely, 252973686 is an apocalyptic number.

52973686 is a deficient number, since it is larger than the sum of its proper divisors (26527274).

52973686 is a wasteful number, since it uses less digits than its factorization.

52973686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478.

The product of its digits is 544320, while the sum is 46.

The square root of 52973686 is about 7278.3024119639. The cubic root of 52973686 is about 375.5663997831.

The spelling of 52973686 in words is "fifty-two million, nine hundred seventy-three thousand, six hundred eighty-six".

Divisors: 1 2 2389 4778 11087 22174 26486843 52973686