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53422887 = 372536857
BaseRepresentation
bin1100101111001…
…0101100100111
310201112011102110
43023302230213
5102134013022
65145012103
71216041600
oct313625447
9121464373
1053422887
1128179451
1215a84033
13b0b639b
147148da7
154a5400c
hex32f2b27

53422887 has 24 divisors (see below), whose sum is σ = 84435696. Its totient is φ = 29947008.

The previous prime is 53422849. The next prime is 53422909. The reversal of 53422887 is 78822435.

It is not a de Polignac number, because 53422887 - 211 = 53420839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53422807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4363 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (3518154).

Almost surely, 253422887 is an apocalyptic number.

53422887 is a deficient number, since it is larger than the sum of its proper divisors (31012809).

53422887 is a wasteful number, since it uses less digits than its factorization.

53422887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927 (or 6920 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 53422887 is about 7309.0961821555. The cubic root of 53422887 is about 376.6249768079.

The spelling of 53422887 in words is "fifty-three million, four hundred twenty-two thousand, eight hundred eighty-seven".

Divisors: 1 3 7 21 49 53 147 159 371 1113 2597 6857 7791 20571 47999 143997 335993 363421 1007979 1090263 2543947 7631841 17807629 53422887