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53227831 = 499106669
BaseRepresentation
bin1100101100001…
…1000100110111
310201011020212011
43023003010313
5102111242311
65140505051
71214300116
oct313030467
9121136764
1053227831
1128055948
12159ab187
13b048677
1470d7c7d
154a16321
hex32c3137

53227831 has 4 divisors (see below), whose sum is σ = 53335000. Its totient is φ = 53120664.

The previous prime is 53227763. The next prime is 53227843. The reversal of 53227831 is 13872235.

53227831 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.

It is a cyclic number.

It is not a de Polignac number, because 53227831 - 27 = 53227703 is a prime.

It is a super-2 number, since 2×532278312 = 5666403985929122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53227793 and 53227802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53227871) 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, 52836 + ... + 53833.

It is an arithmetic number, because the mean of its divisors is an integer number (13333750).

Almost surely, 253227831 is an apocalyptic number.

53227831 is a deficient number, since it is larger than the sum of its proper divisors (107169).

53227831 is a wasteful number, since it uses less digits than its factorization.

53227831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107168.

The product of its digits is 10080, while the sum is 31.

The square root of 53227831 is about 7295.7406066828. The cubic root of 53227831 is about 376.1660439674.

The spelling of 53227831 in words is "fifty-three million, two hundred twenty-seven thousand, eight hundred thirty-one".

Divisors: 1 499 106669 53227831