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53514681 = 3111621657
BaseRepresentation
bin1100110000100…
…1000110111001
310201200211100020
43030021012321
5102144432211
65151001053
71216603323
oct314110671
9121624306
1053514681
1128231410
1215b09189
13b1190bc
147170613
154a71306
hex33091b9

53514681 has 8 divisors (see below), whose sum is σ = 77839584. Its totient is φ = 32433120.

The previous prime is 53514677. The next prime is 53514689. The reversal of 53514681 is 18641535.

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

It is not a de Polignac number, because 53514681 - 22 = 53514677 is a prime.

It is a super-2 number, since 2×535146812 = 5727642165063522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1621657 = 53514681 / (5 + 3 + 5 + 1 + 4 + 6 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (53514689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810796 + ... + 810861.

It is an arithmetic number, because the mean of its divisors is an integer number (9729948).

Almost surely, 253514681 is an apocalyptic number.

It is an amenable number.

53514681 is a deficient number, since it is larger than the sum of its proper divisors (24324903).

53514681 is a wasteful number, since it uses less digits than its factorization.

53514681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621671.

The product of its digits is 14400, while the sum is 33.

The square root of 53514681 is about 7315.3729228249. The cubic root of 53514681 is about 376.8405656242.

The spelling of 53514681 in words is "fifty-three million, five hundred fourteen thousand, six hundred eighty-one".

Divisors: 1 3 11 33 1621657 4864971 17838227 53514681