Search a number
-
+
20879462 = 211392387
BaseRepresentation
bin100111110100…
…1100001100110
31110021210020102
41033221201212
520321120322
62023304102
7342321032
oct117514146
943253212
1020879462
111087105a
126bab032
134430816
142ab71c2
151c76792
hex13e9866

20879462 has 8 divisors (see below), whose sum is σ = 31596696. Its totient is φ = 10347232.

The previous prime is 20879459. The next prime is 20879477. The reversal of 20879462 is 26497802.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 45968 + ... + 46419.

It is an arithmetic number, because the mean of its divisors is an integer number (3949587).

Almost surely, 220879462 is an apocalyptic number.

20879462 is a deficient number, since it is larger than the sum of its proper divisors (10717234).

20879462 is a wasteful number, since it uses less digits than its factorization.

20879462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92502.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 20879462 is about 4569.4049940884. The cubic root of 20879462 is about 275.3635390388.

The spelling of 20879462 in words is "twenty million, eight hundred seventy-nine thousand, four hundred sixty-two".

Divisors: 1 2 113 226 92387 184774 10439731 20879462