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52004141 = 723493041
BaseRepresentation
bin1100011001100…
…0010100101101
310121212002021022
43012120110231
5101303113031
65054343525
71201012400
oct306302455
9117762238
1052004141
112739a532
12154baba5
13aa0a6a7
146c99d37
15487397b
hex319852d

52004141 has 12 divisors (see below), whose sum is σ = 60687900. Its totient is φ = 44432640.

The previous prime is 52004131. The next prime is 52004149. The reversal of 52004141 is 14140025.

It can be written as a sum of positive squares in 2 ways, for example, as 46104100 + 5900041 = 6790^2 + 2429^2 .

It is not a de Polignac number, because 52004141 - 210 = 52003117 is a prime.

It is a super-2 number, since 2×520041412 = 5408861362295762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52004149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15581 + ... + 18621.

It is an arithmetic number, because the mean of its divisors is an integer number (5057325).

Almost surely, 252004141 is an apocalyptic number.

It is an amenable number.

52004141 is a deficient number, since it is larger than the sum of its proper divisors (8683759).

52004141 is a wasteful number, since it uses less digits than its factorization.

52004141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 52004141 is about 7211.3896719010. The cubic root of 52004141 is about 373.2610233217.

Adding to 52004141 its reverse (14140025), we get a palindrome (66144166).

The spelling of 52004141 in words is "fifty-two million, four thousand, one hundred forty-one".

Divisors: 1 7 49 349 2443 3041 17101 21287 149009 1061309 7429163 52004141