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52141331 = 118535557
BaseRepresentation
bin1100011011100…
…1110100010011
310122010001110102
43012321310103
5101322010311
65101323015
71202123354
oct306716423
9118101412
1052141331
1127483610
121556646b
13aa57c78
146cd3d2b
15489e43b
hex31b9d13

52141331 has 8 divisors (see below), whose sum is σ = 56958384. Its totient is φ = 47337120.

The previous prime is 52141321. The next prime is 52141337. The reversal of 52141331 is 13314125.

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 52141331 - 222 = 47947027 is a prime.

It is a super-2 number, since 2×521413312 = 5437436796903122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52141337) 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, 6605 + ... + 12161.

It is an arithmetic number, because the mean of its divisors is an integer number (7119798).

Almost surely, 252141331 is an apocalyptic number.

52141331 is a deficient number, since it is larger than the sum of its proper divisors (4817053).

52141331 is a wasteful number, since it uses less digits than its factorization.

52141331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421.

The product of its digits is 360, while the sum is 20.

The square root of 52141331 is about 7220.8954430874. The cubic root of 52141331 is about 373.5889633348.

Adding to 52141331 its reverse (13314125), we get a palindrome (65455456).

The spelling of 52141331 in words is "fifty-two million, one hundred forty-one thousand, three hundred thirty-one".

Divisors: 1 11 853 5557 9383 61127 4740121 52141331