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117472613 = 891319917
BaseRepresentation
bin1110000000001…
…11110101100101
322012001020010112
413000013311211
5220033110423
615353502405
72624333516
oct700076545
9265036115
10117472613
1160345a05
1233411a05
131b45072b
141185ca0d
15a4a6a78
hex7007d65

117472613 has 4 divisors (see below), whose sum is σ = 118792620. Its totient is φ = 116152608.

The previous prime is 117472583. The next prime is 117472637. The reversal of 117472613 is 316274711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316274711 = 1025930829.

It can be written as a sum of positive squares in 2 ways, for example, as 17032129 + 100440484 = 4127^2 + 10022^2 .

It is a cyclic number.

It is not a de Polignac number, because 117472613 - 28 = 117472357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117472613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117472673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659870 + ... + 660047.

It is an arithmetic number, because the mean of its divisors is an integer number (29698155).

Almost surely, 2117472613 is an apocalyptic number.

It is an amenable number.

117472613 is a deficient number, since it is larger than the sum of its proper divisors (1320007).

117472613 is an equidigital number, since it uses as much as digits as its factorization.

117472613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320006.

The product of its digits is 7056, while the sum is 32.

The square root of 117472613 is about 10838.4783526102. The cubic root of 117472613 is about 489.7549976069.

The spelling of 117472613 in words is "one hundred seventeen million, four hundred seventy-two thousand, six hundred thirteen".

Divisors: 1 89 1319917 117472613