Search a number
-
+
20264673 = 3111347237
BaseRepresentation
bin100110101001…
…1011011100001
31102010112220110
41031103123201
520141432143
62002201533
7334150452
oct115233341
942115813
1020264673
1110491170
1269532a9
134276a40
142997129
151ba4533
hex13536e1

20264673 has 16 divisors (see below), whose sum is σ = 31743936. Its totient is φ = 11336640.

The previous prime is 20264609. The next prime is 20264689. The reversal of 20264673 is 37646202.

It is not a de Polignac number, because 20264673 - 26 = 20264609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20264673.

It is not an unprimeable number, because it can be changed into a prime (20264693) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23190 + ... + 24047.

It is an arithmetic number, because the mean of its divisors is an integer number (1983996).

Almost surely, 220264673 is an apocalyptic number.

It is an amenable number.

20264673 is a deficient number, since it is larger than the sum of its proper divisors (11479263).

20264673 is a wasteful number, since it uses less digits than its factorization.

20264673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47264.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 20264673 is about 4501.6300381084. The cubic root of 20264673 is about 272.6339066364.

The spelling of 20264673 in words is "twenty million, two hundred sixty-four thousand, six hundred seventy-three".

Divisors: 1 3 11 13 33 39 143 429 47237 141711 519607 614081 1558821 1842243 6754891 20264673