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131446003 = 132777787
BaseRepresentation
bin1111101010110…
…11010011110011
3100011100011000111
413311123103303
5232122233003
621013202151
73154162333
oct765332363
9304304014
10131446003
116821a367
1238030357
1321303a00
14136590c3
15b816e6d
hex7d5b4f3

131446003 has 6 divisors (see below), whose sum is σ = 142335204. Its totient is φ = 121334616.

The previous prime is 131445997. The next prime is 131446019. The reversal of 131446003 is 300644131.

It is not a de Polignac number, because 131446003 - 221 = 129348851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131446103) 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, 388725 + ... + 389062.

It is an arithmetic number, because the mean of its divisors is an integer number (23722534).

Almost surely, 2131446003 is an apocalyptic number.

131446003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131446003 is a deficient number, since it is larger than the sum of its proper divisors (10889201).

131446003 is an equidigital number, since it uses as much as digits as its factorization.

131446003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777813 (or 777800 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 131446003 is about 11464.9903183561. The cubic root of 131446003 is about 508.4510262171.

The spelling of 131446003 in words is "one hundred thirty-one million, four hundred forty-six thousand, three".

Divisors: 1 13 169 777787 10111231 131446003