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53886638 = 2132072563
BaseRepresentation
bin1100110110001…
…1111010101110
310202101201120102
43031203322232
5102243333023
65202551102
71223012621
oct315437256
9122351512
1053886638
1128465913
1216068492
13b2194b0
147229db8
154ae6628
hex3363eae

53886638 has 8 divisors (see below), whose sum is σ = 87047688. Its totient is φ = 24870744.

The previous prime is 53886619. The next prime is 53886653. The reversal of 53886638 is 83668835.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53886592 and 53886601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036256 + ... + 1036307.

It is an arithmetic number, because the mean of its divisors is an integer number (10880961).

Almost surely, 253886638 is an apocalyptic number.

53886638 is a deficient number, since it is larger than the sum of its proper divisors (33161050).

53886638 is a wasteful number, since it uses less digits than its factorization.

53886638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072578.

The product of its digits is 829440, while the sum is 47.

The square root of 53886638 is about 7340.7518688483. The cubic root of 53886638 is about 377.7116349086.

The spelling of 53886638 in words is "fifty-three million, eight hundred eighty-six thousand, six hundred thirty-eight".

Divisors: 1 2 13 26 2072563 4145126 26943319 53886638