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20485482 = 2331241457
BaseRepresentation
bin100111000100…
…1010101101010
31102112202210120
41032021111222
520221013412
62011024110
7336060303
oct116112552
942482716
1020485482
1110622056
126a3b036
1343233b4
142a137aa
151be9b8c
hex138956a

20485482 has 32 divisors (see below), whose sum is σ = 42561024. Its totient is φ = 6566400.

The previous prime is 20485469. The next prime is 20485483. The reversal of 20485482 is 28458402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20485483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44598 + ... + 45054.

It is an arithmetic number, because the mean of its divisors is an integer number (1330032).

Almost surely, 220485482 is an apocalyptic number.

20485482 is an abundant number, since it is smaller than the sum of its proper divisors (22075542).

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

20485482 is a wasteful number, since it uses less digits than its factorization.

20485482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 20485482 is about 4526.0890402200. The cubic root of 20485482 is about 273.6205609783.

The spelling of 20485482 in words is "twenty million, four hundred eighty-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 31 62 93 186 241 457 482 723 914 1371 1446 2742 7471 14167 14942 22413 28334 42501 44826 85002 110137 220274 330411 660822 3414247 6828494 10242741 20485482