Search a number
-
+
20136315 = 355712351
BaseRepresentation
bin100110011010…
…0000101111011
31101220000211110
41030310011323
520123330230
61555331403
7333104313
oct114640573
941800743
1020136315
1110403791
1268b0b63
1342304a4
142962443
151b7b4b0
hex133417b

20136315 has 16 divisors (see below), whose sum is σ = 32288256. Its totient is φ = 10716000.

The previous prime is 20136301. The next prime is 20136331. The reversal of 20136315 is 51363102.

It is not a de Polignac number, because 20136315 - 27 = 20136187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20136291 and 20136300.

It is an unprimeable number.

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, 7390 + ... + 9740.

It is an arithmetic number, because the mean of its divisors is an integer number (2018016).

Almost surely, 220136315 is an apocalyptic number.

20136315 is a deficient number, since it is larger than the sum of its proper divisors (12151941).

20136315 is a wasteful number, since it uses less digits than its factorization.

20136315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20136315 is about 4487.3505546146. The cubic root of 20136315 is about 272.0570589278.

Adding to 20136315 its reverse (51363102), we get a palindrome (71499417).

The spelling of 20136315 in words is "twenty million, one hundred thirty-six thousand, three hundred fifteen".

Divisors: 1 3 5 15 571 1713 2351 2855 7053 8565 11755 35265 1342421 4027263 6712105 20136315