Search a number
-
+
20823034 = 213974903
BaseRepresentation
bin100111101101…
…1101111111010
31110011220211111
41033123233322
520312314114
62022150534
7341664361
oct117335772
943156744
1020823034
1110832721
126b8244a
134410c2b
142aa07d8
151c64bc4
hex13dbbfa

20823034 has 8 divisors (see below), whose sum is σ = 31459680. Its totient is φ = 10336476.

The previous prime is 20823029. The next prime is 20823059. The reversal of 20823034 is 43032802.

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

It is a junction number, because it is equal to n+sod(n) for n = 20822996 and 20823014.

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, 37174 + ... + 37729.

It is an arithmetic number, because the mean of its divisors is an integer number (3932460).

Almost surely, 220823034 is an apocalyptic number.

20823034 is a deficient number, since it is larger than the sum of its proper divisors (10636646).

20823034 is a wasteful number, since it uses less digits than its factorization.

20823034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75044.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20823034 is about 4563.2262709622. The cubic root of 20823034 is about 275.1152530679.

Adding to 20823034 its reverse (43032802), we get a palindrome (63855836).

The spelling of 20823034 in words is "twenty million, eight hundred twenty-three thousand, thirty-four".

Divisors: 1 2 139 278 74903 149806 10411517 20823034