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171130 = 25109157
BaseRepresentation
bin101001110001111010
322200202011
4221301322
520434010
63400134
71311631
oct516172
9280664
10171130
11107633
128304a
135cb7b
1446518
1535a8a
hex29c7a

171130 has 16 divisors (see below), whose sum is σ = 312840. Its totient is φ = 67392.

The previous prime is 171103. The next prime is 171131. The reversal of 171130 is 31171.

It can be written as a sum of positive squares in 4 ways, for example, as 136161 + 34969 = 369^2 + 187^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 171130.

It is not an unprimeable number, because it can be changed into a prime (171131) 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, 1012 + ... + 1168.

2171130 is an apocalyptic number.

171130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171130 is a deficient number, since it is larger than the sum of its proper divisors (141710).

171130 is a wasteful number, since it uses less digits than its factorization.

171130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 171130 is about 413.6786192203. The cubic root of 171130 is about 55.5190530585.

The spelling of 171130 in words is "one hundred seventy-one thousand, one hundred thirty".

Divisors: 1 2 5 10 109 157 218 314 545 785 1090 1570 17113 34226 85565 171130