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53228677 = 83963443
BaseRepresentation
bin1100101100001…
…1010010000101
310201011022000111
43023003102011
5102111304202
65140513021
71214302435
oct313032205
9121138014
1053228677
1128056547
12159ab771
13b048b78
1470d82c5
154a166d7
hex32c3485

53228677 has 4 divisors (see below), whose sum is σ = 53292960. Its totient is φ = 53164396.

The previous prime is 53228657. The next prime is 53228689. The reversal of 53228677 is 77682235.

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 a de Polignac number, because none of the positive numbers 2k-53228677 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53228657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30883 + ... + 32560.

It is an arithmetic number, because the mean of its divisors is an integer number (13323240).

Almost surely, 253228677 is an apocalyptic number.

It is an amenable number.

53228677 is a deficient number, since it is larger than the sum of its proper divisors (64283).

53228677 is an equidigital number, since it uses as much as digits as its factorization.

53228677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64282.

The product of its digits is 141120, while the sum is 40.

The square root of 53228677 is about 7295.7985854874. The cubic root of 53228677 is about 376.1680368771.

The spelling of 53228677 in words is "fifty-three million, two hundred twenty-eight thousand, six hundred seventy-seven".

Divisors: 1 839 63443 53228677