Search a number
-
+
18329017 = 719313567
BaseRepresentation
bin100010111101…
…0110110111001
31021111012200111
41011322312321
514143012032
61452504321
7311536240
oct105726671
937435614
1018329017
11a389953
12617b0a1
133a49995
142611957
151920c47
hex117adb9

18329017 has 8 divisors (see below), whose sum is σ = 21057536. Its totient is φ = 15628032.

The previous prime is 18329011. The next prime is 18329083. The reversal of 18329017 is 71092381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18329017 - 27 = 18328889 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 18329017.

It is not an unprimeable number, because it can be changed into a prime (18329011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5433 + ... + 8134.

It is an arithmetic number, because the mean of its divisors is an integer number (2632192).

Almost surely, 218329017 is an apocalyptic number.

It is an amenable number.

18329017 is a deficient number, since it is larger than the sum of its proper divisors (2728519).

18329017 is a wasteful number, since it uses less digits than its factorization.

18329017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 18329017 is about 4281.2401240762. The cubic root of 18329017 is about 263.6613013812.

The spelling of 18329017 in words is "eighteen million, three hundred twenty-nine thousand, seventeen".

Divisors: 1 7 193 1351 13567 94969 2618431 18329017