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20882408 = 2313191979
BaseRepresentation
bin100111110101…
…0001111101000
31110021221021112
41033222033220
520321214113
62023325452
7342332441
oct117521750
943257245
1020882408
1110873298
126bb0888
134431c71
142ab82c8
151c775a8
hex13ea3e8

20882408 has 16 divisors (see below), whose sum is σ = 39204000. Its totient is φ = 10428016.

The previous prime is 20882399. The next prime is 20882431. The reversal of 20882408 is 80428802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9563 + ... + 11541.

It is an arithmetic number, because the mean of its divisors is an integer number (2450250).

Almost surely, 220882408 is an apocalyptic number.

It is an amenable number.

20882408 is a deficient number, since it is larger than the sum of its proper divisors (18321592).

20882408 is a wasteful number, since it uses less digits than its factorization.

20882408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 20882408 is about 4569.7273441640. The cubic root of 20882408 is about 275.3764892901.

The spelling of 20882408 in words is "twenty million, eight hundred eighty-two thousand, four hundred eight".

Divisors: 1 2 4 8 1319 1979 2638 3958 5276 7916 10552 15832 2610301 5220602 10441204 20882408