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53414681 = 192811299
BaseRepresentation
bin1100101111000…
…0101100011001
310201111202011112
43023300230121
5102133232211
65144510105
71216005635
oct313605431
9121452145
1053414681
1128173271
1215a7b335
13b0b2728
147145dc5
154a5188b
hex32f0b19

53414681 has 4 divisors (see below), whose sum is σ = 56226000. Its totient is φ = 50603364.

The previous prime is 53414659. The next prime is 53414693. The reversal of 53414681 is 18641435.

53414681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53414681 - 214 = 53398297 is a prime.

It is a super-4 number, since 4×534146814 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53414651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405631 + ... + 1405668.

It is an arithmetic number, because the mean of its divisors is an integer number (14056500).

Almost surely, 253414681 is an apocalyptic number.

It is an amenable number.

53414681 is a deficient number, since it is larger than the sum of its proper divisors (2811319).

53414681 is a wasteful number, since it uses less digits than its factorization.

53414681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811318.

The product of its digits is 11520, while the sum is 32.

The square root of 53414681 is about 7308.5348052807. The cubic root of 53414681 is about 376.6056920470.

The spelling of 53414681 in words is "fifty-three million, four hundred fourteen thousand, six hundred eighty-one".

Divisors: 1 19 2811299 53414681