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13140473 = 171515119
BaseRepresentation
bin110010001000…
…000111111001
3220201121100012
4302020013321
511330443343
61145351305
7216456263
oct62100771
926647305
1013140473
1174656a5
124498535
132951138
141a60b33
151248718
hexc881f9

13140473 has 8 divisors (see below), whose sum is σ = 14008320. Its totient is φ = 12283200.

The previous prime is 13140469. The next prime is 13140487. The reversal of 13140473 is 37404131.

13140473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13140473 - 22 = 13140469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (1751040).

Almost surely, 213140473 is an apocalyptic number.

It is an amenable number.

13140473 is a deficient number, since it is larger than the sum of its proper divisors (867847).

13140473 is a wasteful number, since it uses less digits than its factorization.

13140473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13140473 is about 3624.9790344221. The cubic root of 13140473 is about 235.9773570635.

It can be divided in two parts, 131 and 40473, that added together give a palindrome (40604).

The spelling of 13140473 in words is "thirteen million, one hundred forty thousand, four hundred seventy-three".

Divisors: 1 17 151 2567 5119 87023 772969 13140473