Search a number
-
+
20826814 = 229419857
BaseRepresentation
bin100111101110…
…0101010111110
31110012010000111
41033130222332
520312424224
62022220234
7342011401
oct117345276
943163014
1020826814
1110835548
126b8467a
134412878
142aa1d38
151c65d94
hex13dcabe

20826814 has 16 divisors (see below), whose sum is σ = 32432400. Its totient is φ = 10018624.

The previous prime is 20826809. The next prime is 20826859. The reversal of 20826814 is 41862802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23874 + ... + 24730.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 220826814 is an apocalyptic number.

20826814 is a deficient number, since it is larger than the sum of its proper divisors (11605586).

20826814 is a wasteful number, since it uses less digits than its factorization.

20826814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 20826814 is about 4563.6404328124. The cubic root of 20826814 is about 275.1318992610.

The spelling of 20826814 in words is "twenty million, eight hundred twenty-six thousand, eight hundred fourteen".

Divisors: 1 2 29 58 419 838 857 1714 12151 24302 24853 49706 359083 718166 10413407 20826814