Search a number
-
+
20238367 = 231038543
BaseRepresentation
bin100110100110…
…1000000011111
31102002012211011
41031031000133
520140111432
62001440051
7334010662
oct115150037
942065734
1020238367
1110473426
126940027
134267a86
14298b6d9
151b9b847
hex134d01f

20238367 has 8 divisors (see below), whose sum is σ = 21325824. Its totient is φ = 19168248.

The previous prime is 20238353. The next prime is 20238373. The reversal of 20238367 is 76383202.

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 20238367 - 211 = 20236319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20238307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (2665728).

Almost surely, 220238367 is an apocalyptic number.

20238367 is a deficient number, since it is larger than the sum of its proper divisors (1087457).

20238367 is a wasteful number, since it uses less digits than its factorization.

20238367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 20238367 is about 4498.7072587578. The cubic root of 20238367 is about 272.5158849422.

The spelling of 20238367 in words is "twenty million, two hundred thirty-eight thousand, three hundred sixty-seven".

Divisors: 1 23 103 2369 8543 196489 879929 20238367