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20488059 = 3584313
BaseRepresentation
bin100111000100…
…1111101111011
31102112220100000
41032021331323
520221104214
62011044043
7336100644
oct116117573
942486300
1020488059
1110623a89
126a40623
134324617
142a146cb
151bea809
hex1389f7b

20488059 has 12 divisors (see below), whose sum is σ = 30690296. Its totient is φ = 13658544.

The previous prime is 20488057. The next prime is 20488063. The reversal of 20488059 is 95088402.

It is not a de Polignac number, because 20488059 - 21 = 20488057 is a prime.

It is a super-3 number, since 3×204880593 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20488057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41914 + ... + 42399.

Almost surely, 220488059 is an apocalyptic number.

20488059 is a deficient number, since it is larger than the sum of its proper divisors (10202237).

20488059 is an frugal number, since it uses more digits than its factorization.

20488059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84328 (or 84316 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 20488059 is about 4526.3737141336. The cubic root of 20488059 is about 273.6320339916.

The spelling of 20488059 in words is "twenty million, four hundred eighty-eight thousand, fifty-nine".

Divisors: 1 3 9 27 81 243 84313 252939 758817 2276451 6829353 20488059