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20260552 = 2313194813
BaseRepresentation
bin100110101001…
…0011011001000
31102010100020211
41031102123020
520141314202
62002130504
7334132444
oct115223310
942110224
1020260552
1110489064
126950a34
134274bc0
142995824
151ba31d7
hex13526c8

20260552 has 16 divisors (see below), whose sum is σ = 40910940. Its totient is φ = 9350976.

The previous prime is 20260547. The next prime is 20260553. The reversal of 20260552 is 25506202.

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 64516 = 4494^2 + 254^2 .

It is not an unprimeable number, because it can be changed into a prime (20260553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97303 + ... + 97510.

Almost surely, 220260552 is an apocalyptic number.

It is an amenable number.

20260552 is an abundant number, since it is smaller than the sum of its proper divisors (20650388).

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

20260552 is a wasteful number, since it uses less digits than its factorization.

20260552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194832 (or 194828 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 20260552 is about 4501.1722917480. The cubic root of 20260552 is about 272.6154245470.

Adding to 20260552 its reverse (25506202), we get a palindrome (45766754).

The spelling of 20260552 in words is "twenty million, two hundred sixty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 194813 389626 779252 1558504 2532569 5065138 10130276 20260552