Search a number
-
+
52115999 = 13172310253
BaseRepresentation
bin1100011011001…
…1101000011111
310122001202201012
43012303220133
5101320202444
65101005435
71201656455
oct306635037
9118052635
1052115999
1127466581
121555387b
13aa49590
146cc89d5
154896b9e
hex31b3a1f

52115999 has 16 divisors (see below), whose sum is σ = 62016192. Its totient is φ = 43304448.

The previous prime is 52115981. The next prime is 52116023. The reversal of 52115999 is 99951125.

It is a cyclic number.

It is not a de Polignac number, because 52115999 - 216 = 52050463 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 (52115909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44 + ... + 10209.

It is an arithmetic number, because the mean of its divisors is an integer number (3876012).

Almost surely, 252115999 is an apocalyptic number.

52115999 is a deficient number, since it is larger than the sum of its proper divisors (9900193).

52115999 is a wasteful number, since it uses less digits than its factorization.

52115999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306.

The product of its digits is 36450, while the sum is 41.

The square root of 52115999 is about 7219.1411539047. The cubic root of 52115999 is about 373.5284528693.

The spelling of 52115999 in words is "fifty-two million, one hundred fifteen thousand, nine hundred ninety-nine".

Divisors: 1 13 17 23 221 299 391 5083 10253 133289 174301 235819 2265913 3065647 4008923 52115999