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53688463 = 232334281
BaseRepresentation
bin1100110011001…
…1100010001111
310202000122201121
43030303202033
5102221012323
65154421411
71221226063
oct314634217
9122018647
1053688463
112833aa34
1215b91867
13b17a22a
1471b7aa3
154aa7a5d
hex333388f

53688463 has 4 divisors (see below), whose sum is σ = 56022768. Its totient is φ = 51354160.

The previous prime is 53688461. The next prime is 53688473. The reversal of 53688463 is 36488635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53688463 - 21 = 53688461 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53688461) 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, 1167118 + ... + 1167163.

It is an arithmetic number, because the mean of its divisors is an integer number (14005692).

Almost surely, 253688463 is an apocalyptic number.

53688463 is a deficient number, since it is larger than the sum of its proper divisors (2334305).

53688463 is a wasteful number, since it uses less digits than its factorization.

53688463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334304.

The product of its digits is 414720, while the sum is 43.

The square root of 53688463 is about 7327.2411588537. The cubic root of 53688463 is about 377.2480385239.

It can be divided in two parts, 5368 and 8463, that added together give a palindrome (13831).

The spelling of 53688463 in words is "fifty-three million, six hundred eighty-eight thousand, four hundred sixty-three".

Divisors: 1 23 2334281 53688463