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52136141 = 313315081
BaseRepresentation
bin1100011011100…
…0100011001101
310122002210100012
43012320203031
5101321324031
65101243005
71202102261
oct306704315
9118083305
1052136141
112747a722
1215563465
13aa557b5
146cd20a1
15489cb2b
hex31b88cd

52136141 has 8 divisors (see below), whose sum is σ = 53991168. Its totient is φ = 50292000.

The previous prime is 52136137. The next prime is 52136159. The reversal of 52136141 is 14163125.

52136141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52136141 - 22 = 52136137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52136131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7721 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (6748896).

Almost surely, 252136141 is an apocalyptic number.

It is an amenable number.

52136141 is a deficient number, since it is larger than the sum of its proper divisors (1855027).

52136141 is a wasteful number, since it uses less digits than its factorization.

52136141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443.

The product of its digits is 720, while the sum is 23.

The square root of 52136141 is about 7220.5360604321. The cubic root of 52136141 is about 373.5765675954.

Adding to 52136141 its reverse (14163125), we get a palindrome (66299266).

The spelling of 52136141 in words is "fifty-two million, one hundred thirty-six thousand, one hundred forty-one".

Divisors: 1 31 331 5081 10261 157511 1681811 52136141