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17472013 = 132295869
BaseRepresentation
bin100001010100…
…1101000001101
31012212200002121
41002221220031
513433101023
61422252541
7301336546
oct102515015
935780077
1017472013
119953a89
125a27151
133809890
14246b4cd
151801d5d
hex10a9a0d

17472013 has 8 divisors (see below), whose sum is σ = 18901400. Its totient is φ = 16054848.

The previous prime is 17471989. The next prime is 17472017. The reversal of 17472013 is 31027471.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 850084 + 16621929 = 922^2 + 4077^2 .

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 17472013 - 221 = 15374861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17472017) 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, 43 + ... + 5911.

It is an arithmetic number, because the mean of its divisors is an integer number (2362675).

Almost surely, 217472013 is an apocalyptic number.

17472013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

17472013 is a deficient number, since it is larger than the sum of its proper divisors (1429387).

17472013 is a wasteful number, since it uses less digits than its factorization.

17472013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 17472013 is about 4179.9537078776. The cubic root of 17472013 is about 259.4862290253.

Adding to 17472013 its reverse (31027471), we get a palindrome (48499484).

The spelling of 17472013 in words is "seventeen million, four hundred seventy-two thousand, thirteen".

Divisors: 1 13 229 2977 5869 76297 1344001 17472013