Search a number
-
+
20359361 = 113750023
BaseRepresentation
bin100110110101…
…0100011000001
31102022100210102
41031222203001
520202444421
62004212145
7335023511
oct115524301
942270712
1020359361
1110546320
12699a055
1342aab79
1429bd841
151bc260b
hex136a8c1

20359361 has 8 divisors (see below), whose sum is σ = 22810944. Its totient is φ = 18007920.

The previous prime is 20359337. The next prime is 20359441. The reversal of 20359361 is 16395302.

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

It is a cyclic number.

It is not a de Polignac number, because 20359361 - 222 = 16165057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20359861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24605 + ... + 25418.

It is an arithmetic number, because the mean of its divisors is an integer number (2851368).

Almost surely, 220359361 is an apocalyptic number.

It is an amenable number.

20359361 is a deficient number, since it is larger than the sum of its proper divisors (2451583).

20359361 is a wasteful number, since it uses less digits than its factorization.

20359361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50071.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 20359361 is about 4512.1348605732. The cubic root of 20359361 is about 273.0578801811.

The spelling of 20359361 in words is "twenty million, three hundred fifty-nine thousand, three hundred sixty-one".

Divisors: 1 11 37 407 50023 550253 1850851 20359361