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20527152 = 2431912239
BaseRepresentation
bin100111001001…
…1100000110000
31102121212221220
41032103200300
520223332102
62011545040
7336322632
oct116234060
942555856
1020527152
1110650398
126a5b180
134339359
142a24a52
151c071bc
hex1393830

20527152 has 40 divisors (see below), whose sum is σ = 53329920. Its totient is φ = 6803520.

The previous prime is 20527147. The next prime is 20527153. The reversal of 20527152 is 25172502.

It is a super-2 number, since 2×205271522 = 842727938462208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20527153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8049 + ... + 10287.

It is an arithmetic number, because the mean of its divisors is an integer number (1333248).

Almost surely, 220527152 is an apocalyptic number.

It is an amenable number.

20527152 is an abundant number, since it is smaller than the sum of its proper divisors (32802768).

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

20527152 is a wasteful number, since it uses less digits than its factorization.

20527152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 20527152 is about 4530.6900136734. The cubic root of 20527152 is about 273.8059613289.

Adding to 20527152 its reverse (25172502), we get a palindrome (45699654).

The spelling of 20527152 in words is "twenty million, five hundred twenty-seven thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 191 382 573 764 1146 1528 2239 2292 3056 4478 4584 6717 8956 9168 13434 17912 26868 35824 53736 107472 427649 855298 1282947 1710596 2565894 3421192 5131788 6842384 10263576 20527152