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20027528 = 234635407
BaseRepresentation
bin100110001100…
…1100010001000
31101200111121022
41030121202020
520111340103
61553132012
7332142203
oct114314210
941614538
1020027528
1110339a84
12685a008
1341c2b11
14293493a
151b59138
hex1319888

20027528 has 16 divisors (see below), whose sum is σ = 37639680. Its totient is φ = 9990288.

The previous prime is 20027507. The next prime is 20027531. The reversal of 20027528 is 82572002.

It is a super-2 number, since 2×200275282 = 802203755581568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20027497 and 20027506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001 + ... + 6407.

It is an arithmetic number, because the mean of its divisors is an integer number (2352480).

Almost surely, 220027528 is an apocalyptic number.

It is an amenable number.

20027528 is a deficient number, since it is larger than the sum of its proper divisors (17612152).

20027528 is a wasteful number, since it uses less digits than its factorization.

20027528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 20027528 is about 4475.2126206472. The cubic root of 20027528 is about 271.5662420456.

The spelling of 20027528 in words is "twenty million, twenty-seven thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 463 926 1852 3704 5407 10814 21628 43256 2503441 5006882 10013764 20027528