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20480522 = 231330331
BaseRepresentation
bin100111000100…
…0001000001010
31102112111222212
41032020020022
520220334042
62010545122
7336036656
oct116101012
942474885
1020480522
1110619357
126a381a2
13432106a
142a11a66
151be8482
hex138820a

20480522 has 8 divisors (see below), whose sum is σ = 31711872. Its totient is φ = 9909900.

The previous prime is 20480519. The next prime is 20480527. The reversal of 20480522 is 22508402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20480527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165104 + ... + 165227.

It is an arithmetic number, because the mean of its divisors is an integer number (3963984).

Almost surely, 220480522 is an apocalyptic number.

20480522 is a deficient number, since it is larger than the sum of its proper divisors (11231350).

20480522 is a wasteful number, since it uses less digits than its factorization.

20480522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330364.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 20480522 is about 4525.5410726233. The cubic root of 20480522 is about 273.5984759471.

Adding to 20480522 its reverse (22508402), we get a palindrome (42988924).

The spelling of 20480522 in words is "twenty million, four hundred eighty thousand, five hundred twenty-two".

Divisors: 1 2 31 62 330331 660662 10240261 20480522