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171002002 = 2172149681
BaseRepresentation
bin10100011000101…
…00100010010010
3102220202210122111
422030110202102
5322234031002
624545055534
74144331053
oct1214244222
9386683574
10171002002
1188587376
12493275aa
1329573422
14189d472a
151002c3d7
hexa314892

171002002 has 8 divisors (see below), whose sum is σ = 256657212. Its totient is φ = 85449600.

The previous prime is 171001993. The next prime is 171002003. The reversal of 171002002 is 200200171.

It can be written as a sum of positive squares in 2 ways, for example, as 159037321 + 11964681 = 12611^2 + 3459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (171002003) 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, 21399 + ... + 28282.

Almost surely, 2171002002 is an apocalyptic number.

171002002 is a deficient number, since it is larger than the sum of its proper divisors (85655210).

171002002 is a wasteful number, since it uses less digits than its factorization.

171002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51404.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 171002002 is about 13076.7733787812. The cubic root of 171002002 is about 555.0520763839.

Adding to 171002002 its reverse (200200171), we get a palindrome (371202173).

The spelling of 171002002 in words is "one hundred seventy-one million, two thousand, two".

Divisors: 1 2 1721 3442 49681 99362 85501001 171002002