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171412207 = 1710083071
BaseRepresentation
bin10100011011110…
…00101011101111
3102221112122100021
422031320223233
5322340142312
625001543011
74150660021
oct1215705357
9387478307
10171412207
118883758a
12494a4a67
1329688055
1418aa0011
15100adc07
hexa378aef

171412207 has 4 divisors (see below), whose sum is σ = 181495296. Its totient is φ = 161329120.

The previous prime is 171412193. The next prime is 171412223. The reversal of 171412207 is 702214171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702214171 = 2459285569.

It is a cyclic number.

It is not a de Polignac number, because 171412207 - 27 = 171412079 is a prime.

It is a super-2 number, since 2×1714122072 = 58764289417221698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171412277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5041519 + ... + 5041552.

It is an arithmetic number, because the mean of its divisors is an integer number (45373824).

Almost surely, 2171412207 is an apocalyptic number.

171412207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

171412207 is a deficient number, since it is larger than the sum of its proper divisors (10083089).

171412207 is a wasteful number, since it uses less digits than its factorization.

171412207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083088.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 171412207 is about 13092.4484723065. The cubic root of 171412207 is about 555.4955474489.

Adding to 171412207 its reverse (702214171), we get a palindrome (873626378).

The spelling of 171412207 in words is "one hundred seventy-one million, four hundred twelve thousand, two hundred seven".

Divisors: 1 17 10083071 171412207