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53806923 = 342332851
BaseRepresentation
bin1100110101000…
…0011101001011
310202020200020000
43031100131023
5102233310143
65201134043
71222231332
oct315203513
9122220200
1053806923
1128410a35
121602a323
13b1bc121
147208d19
154accbd3
hex335074b

53806923 has 20 divisors (see below), whose sum is σ = 80751528. Its totient is φ = 35704800.

The previous prime is 53806903. The next prime is 53806927. The reversal of 53806923 is 32960835.

53806923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53806923 - 28 = 53806667 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53806927) 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 19 ways as a sum of consecutive naturals, for example, 17448 + ... + 20298.

Almost surely, 253806923 is an apocalyptic number.

53806923 is a deficient number, since it is larger than the sum of its proper divisors (26944605).

53806923 is a wasteful number, since it uses less digits than its factorization.

53806923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 53806923 is about 7335.3202384081. The cubic root of 53806923 is about 377.5252922253.

The spelling of 53806923 in words is "fifty-three million, eight hundred six thousand, nine hundred twenty-three".

Divisors: 1 3 9 27 81 233 699 2097 2851 6291 8553 18873 25659 76977 230931 664283 1992849 5978547 17935641 53806923