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20303832 = 2334911723
BaseRepresentation
bin100110101110…
…0111111011000
31102012112121210
41031130333120
520144210312
62003103120
7334402563
oct115347730
942175553
1020303832
111050862a
126971aa0
13428b803
1429a74da
151bb0e3c
hex135cfd8

20303832 has 32 divisors (see below), whose sum is σ = 50892480. Its totient is φ = 6750240.

The previous prime is 20303809. The next prime is 20303887. The reversal of 20303832 is 23830302.

It is a junction number, because it is equal to n+sod(n) for n = 20303799 and 20303808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10923 + ... + 12645.

It is an arithmetic number, because the mean of its divisors is an integer number (1590390).

Almost surely, 220303832 is an apocalyptic number.

It is an amenable number.

20303832 is an abundant number, since it is smaller than the sum of its proper divisors (30588648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20303832 is a wasteful number, since it uses less digits than its factorization.

20303832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20303832 is about 4505.9773634585. The cubic root of 20303832 is about 272.8094041930.

The spelling of 20303832 in words is "twenty million, three hundred three thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 491 982 1473 1723 1964 2946 3446 3928 5169 5892 6892 10338 11784 13784 20676 41352 845993 1691986 2537979 3383972 5075958 6767944 10151916 20303832