Search a number
-
+
20094705 = 325446549
BaseRepresentation
bin100110010100…
…1111011110001
31101210220202100
41030221323301
520121012310
61554411013
7332542101
oct114517361
941726670
1020094705
11103854a4
126890a69
134217577
142951201
151b6dec0
hex1329ef1

20094705 has 12 divisors (see below), whose sum is σ = 34830900. Its totient is φ = 10717152.

The previous prime is 20094703. The next prime is 20094713. The reversal of 20094705 is 50749002.

It can be written as a sum of positive squares in 2 ways, for example, as 3837681 + 16257024 = 1959^2 + 4032^2 .

It is not a de Polignac number, because 20094705 - 21 = 20094703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20094703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223230 + ... + 223319.

It is an arithmetic number, because the mean of its divisors is an integer number (2902575).

Almost surely, 220094705 is an apocalyptic number.

It is an amenable number.

20094705 is a deficient number, since it is larger than the sum of its proper divisors (14736195).

20094705 is a wasteful number, since it uses less digits than its factorization.

20094705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446560 (or 446557 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 20094705 is about 4482.7117908695. The cubic root of 20094705 is about 271.8695353638.

The spelling of 20094705 in words is "twenty million, ninety-four thousand, seven hundred five".

Divisors: 1 3 5 9 15 45 446549 1339647 2232745 4018941 6698235 20094705