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53986838 = 271380189
BaseRepresentation
bin1100110111110…
…0011000010110
310202120211000112
43031330120112
5102310034323
65205043022
71223611013
oct315743026
9122524015
1053986838
1128524124
12160b6472
13b252c99
14725470a
154b16178
hex337c616

53986838 has 8 divisors (see below), whose sum is σ = 82121040. Its totient is φ = 26613160.

The previous prime is 53986831. The next prime is 53986843. The reversal of 53986838 is 83868935.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53986831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189953 + ... + 190236.

It is an arithmetic number, because the mean of its divisors is an integer number (10265130).

Almost surely, 253986838 is an apocalyptic number.

53986838 is a deficient number, since it is larger than the sum of its proper divisors (28134202).

53986838 is a wasteful number, since it uses less digits than its factorization.

53986838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380262.

The product of its digits is 1244160, while the sum is 50.

The square root of 53986838 is about 7347.5736131052. The cubic root of 53986838 is about 377.9456030641.

The spelling of 53986838 in words is "fifty-three million, nine hundred eighty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 71 142 380189 760378 26993419 53986838