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117584009 = 294054621
BaseRepresentation
bin1110000001000…
…11000010001001
322012020212221022
413000203002021
5220100142014
615400122225
72625306344
oct700430211
9265225838
10117584009
1160411674
1233466375
131b48c34a
141188b45b
15a4c9a8e
hex7023089

117584009 has 4 divisors (see below), whose sum is σ = 121638660. Its totient is φ = 113529360.

The previous prime is 117584003. The next prime is 117584017. The reversal of 117584009 is 900485711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900485711 = 3769238919.

It can be written as a sum of positive squares in 2 ways, for example, as 93180409 + 24403600 = 9653^2 + 4940^2 .

It is a cyclic number.

It is not a de Polignac number, because 117584009 - 216 = 117518473 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 117584009.

It is not an unprimeable number, because it can be changed into a prime (117584003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027282 + ... + 2027339.

It is an arithmetic number, because the mean of its divisors is an integer number (30409665).

Almost surely, 2117584009 is an apocalyptic number.

It is an amenable number.

117584009 is a deficient number, since it is larger than the sum of its proper divisors (4054651).

117584009 is an equidigital number, since it uses as much as digits as its factorization.

117584009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054650.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 117584009 is about 10843.6160481640. The cubic root of 117584009 is about 489.9097556976.

It can be divided in two parts, 1175 and 84009, that added together give a cube (85184 = 443).

The spelling of 117584009 in words is "one hundred seventeen million, five hundred eighty-four thousand, nine".

Divisors: 1 29 4054621 117584009