Search a number
-
+
131433043 = 722682307
BaseRepresentation
bin1111101010110…
…00001001010011
3100011022111020111
413311120021103
5232121324133
621013022151
73154106500
oct765301123
9304274214
10131433043
1168210655
1238024957
13212cab41
14136544a7
15b8131cd
hex7d58253

131433043 has 6 divisors (see below), whose sum is σ = 152891556. Its totient is φ = 112656852.

The previous prime is 131433041. The next prime is 131433059. The reversal of 131433043 is 340334131.

It is a happy number.

It is not a de Polignac number, because 131433043 - 21 = 131433041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131433041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1341105 + ... + 1341202.

It is an arithmetic number, because the mean of its divisors is an integer number (25481926).

Almost surely, 2131433043 is an apocalyptic number.

131433043 is a deficient number, since it is larger than the sum of its proper divisors (21458513).

131433043 is an equidigital number, since it uses as much as digits as its factorization.

131433043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682321 (or 2682314 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 131433043 is about 11464.4251055166. The cubic root of 131433043 is about 508.4343153201.

Adding to 131433043 its reverse (340334131), we get a palindrome (471767174).

The spelling of 131433043 in words is "one hundred thirty-one million, four hundred thirty-three thousand, forty-three".

Divisors: 1 7 49 2682307 18776149 131433043