Search a number
-
+
20882588 = 225220647
BaseRepresentation
bin100111110101…
…0010010011100
31110021221112012
41033222102130
520321220323
62023330352
7342333116
oct117522234
943257465
1020882588
1110873441
126bb09b8
13443207c
142ab83b6
151c77678
hex13ea49c

20882588 has 6 divisors (see below), whose sum is σ = 36544536. Its totient is φ = 10441292.

The previous prime is 20882573. The next prime is 20882633. The reversal of 20882588 is 88528802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610320 + ... + 2610327.

It is an arithmetic number, because the mean of its divisors is an integer number (6090756).

Almost surely, 220882588 is an apocalyptic number.

It is an amenable number.

20882588 is a deficient number, since it is larger than the sum of its proper divisors (15661948).

20882588 is a wasteful number, since it uses less digits than its factorization.

20882588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220651 (or 5220649 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 41.

The square root of 20882588 is about 4569.7470389508. The cubic root of 20882588 is about 275.3772805083.

The spelling of 20882588 in words is "twenty million, eight hundred eighty-two thousand, five hundred eighty-eight".

Divisors: 1 2 4 5220647 10441294 20882588