Search a number
-
+
52322031 = 35215317
BaseRepresentation
bin1100011110010…
…1111011101111
310122110020100000
43013211323233
5101343301111
65105235343
71203505236
oct307457357
9118406300
1052322031
1127597353
1215632b53
13aabc2a8
146d3db1d
1548d7c56
hex31e5eef

52322031 has 12 divisors (see below), whose sum is σ = 78375752. Its totient is φ = 34881192.

The previous prime is 52322021. The next prime is 52322041. The reversal of 52322031 is 13022325.

It is an interprime number because it is at equal distance from previous prime (52322021) and next prime (52322041).

It is not a de Polignac number, because 52322031 - 29 = 52321519 is a prime.

It is a super-5 number, since 5×523220315 (a number of 40 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52321995 and 52322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52322021) 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, 107416 + ... + 107901.

Almost surely, 252322031 is an apocalyptic number.

52322031 is a deficient number, since it is larger than the sum of its proper divisors (26053721).

52322031 is an equidigital number, since it uses as much as digits as its factorization.

52322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215332 (or 215320 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52322031 is about 7233.3969198434. The cubic root of 52322031 is about 374.0200333383.

Adding to 52322031 its reverse (13022325), we get a palindrome (65344356).

The spelling of 52322031 in words is "fifty-two million, three hundred twenty-two thousand, thirty-one".

Divisors: 1 3 9 27 81 243 215317 645951 1937853 5813559 17440677 52322031