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20527892 = 2271127383
BaseRepresentation
bin100111001001…
…1101100010100
31102121220222022
41032103230110
520223343032
62011552312
7336325040
oct116235424
942556868
1020527892
1110650a00
126a5b698
1343397a8
142a25020
151c07512
hex1393b14

20527892 has 72 divisors (see below), whose sum is σ = 46296768. Its totient is φ = 7793280.

The previous prime is 20527889. The next prime is 20527901. The reversal of 20527892 is 29872502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247283 + ... + 247365.

Almost surely, 220527892 is an apocalyptic number.

20527892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20527892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23148384).

20527892 is an abundant number, since it is smaller than the sum of its proper divisors (25768876).

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

20527892 is a wasteful number, since it uses less digits than its factorization.

20527892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 20527892 is about 4530.7716782023. The cubic root of 20527892 is about 273.8092515073.

The spelling of 20527892 in words is "twenty million, five hundred twenty-seven thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 11 14 22 28 44 73 77 83 121 146 154 166 242 292 308 332 484 511 581 803 847 913 1022 1162 1606 1694 1826 2044 2324 3212 3388 3652 5621 6059 6391 8833 10043 11242 12118 12782 17666 20086 22484 24236 25564 35332 40172 42413 61831 66649 70301 84826 123662 133298 140602 169652 247324 266596 281204 466543 733139 933086 1466278 1866172 2932556 5131973 10263946 20527892