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53986893 = 3294191481
BaseRepresentation
bin1100110111110…
…0011001001101
310202120211002120
43031330121031
5102310040033
65205043153
71223611122
oct315743115
9122524076
1053986893
1128524174
12160b64b9
13b25300c
147254749
154b161b3
hex337c64d

53986893 has 16 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 34643840.

The previous prime is 53986853. The next prime is 53986897. The reversal of 53986893 is 39868935.

It is a cyclic number.

It is not a de Polignac number, because 53986893 - 28 = 53986637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53986897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35713 + ... + 37193.

It is an arithmetic number, because the mean of its divisors is an integer number (4668300).

Almost surely, 253986893 is an apocalyptic number.

It is an amenable number.

53986893 is a deficient number, since it is larger than the sum of its proper divisors (20705907).

53986893 is a wasteful number, since it uses less digits than its factorization.

53986893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its digits is 1399680, while the sum is 51.

The square root of 53986893 is about 7347.5773558364. The cubic root of 53986893 is about 377.9457314102.

The spelling of 53986893 in words is "fifty-three million, nine hundred eighty-six thousand, eight hundred ninety-three".

Divisors: 1 3 29 87 419 1257 1481 4443 12151 36453 42949 128847 620539 1861617 17995631 53986893