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20895426 = 2323137447
BaseRepresentation
bin100111110110…
…1011011000010
31110022121010200
41033231123002
520322123201
62023510030
7342415416
oct117553302
943277120
1020895426
1110882052
126bb8316
134437b76
142abcd46
151c7b386
hex13ed6c2

20895426 has 24 divisors (see below), whose sum is σ = 46735104. Its totient is φ = 6740280.

The previous prime is 20895403. The next prime is 20895443. The reversal of 20895426 is 62459802.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18166 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (1947296).

Almost surely, 220895426 is an apocalyptic number.

20895426 is an abundant number, since it is smaller than the sum of its proper divisors (25839678).

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

20895426 is a wasteful number, since it uses less digits than its factorization.

20895426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37486 (or 37483 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 20895426 is about 4571.1514960675. The cubic root of 20895426 is about 275.4337002284.

It can be divided in two parts, 20895 and 426, that added together give a triangular number (21321 = T206).

The spelling of 20895426 in words is "twenty million, eight hundred ninety-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 37447 74894 112341 224682 337023 674046 1160857 2321714 3482571 6965142 10447713 20895426