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171057130 = 2517105713
BaseRepresentation
bin10100011001000…
…01111111101010
3102220212121021021
422030201333222
5322242312010
624550203054
74144650556
oct1214417752
9386777237
10171057130
1188614832
124935348a
132959254a
1418a0a866
151003d8da
hexa321fea

171057130 has 8 divisors (see below), whose sum is σ = 307902852. Its totient is φ = 68422848.

The previous prime is 171057121. The next prime is 171057137. The reversal of 171057130 is 31750171.

It can be written as a sum of positive squares in 2 ways, for example, as 137428729 + 33628401 = 11723^2 + 5799^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 171057095 and 171057104.

It is not an unprimeable number, because it can be changed into a prime (171057137) 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, 8552847 + ... + 8552866.

Almost surely, 2171057130 is an apocalyptic number.

171057130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171057130 is a deficient number, since it is larger than the sum of its proper divisors (136845722).

171057130 is a wasteful number, since it uses less digits than its factorization.

171057130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17105720.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 171057130 is about 13078.8810683483. The cubic root of 171057130 is about 555.1117162768. Note that the first 3 decimals are identical.

The spelling of 171057130 in words is "one hundred seventy-one million, fifty-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 17105713 34211426 85528565 171057130