Search a number
-
+
171372 = 22314281
BaseRepresentation
bin101001110101101100
322201002010
4221311230
520440442
63401220
71312425
oct516554
9281063
10171372
11107833
1283210
1360006
144664c
1535b9c
hex29d6c

171372 has 12 divisors (see below), whose sum is σ = 399896. Its totient is φ = 57120.

The previous prime is 171341. The next prime is 171383. The reversal of 171372 is 273171.

171372 is nontrivially palindromic in base 13.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7129 + ... + 7152.

2171372 is an apocalyptic number.

171372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171372 is an abundant number, since it is smaller than the sum of its proper divisors (228524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171372 is a wasteful number, since it uses less digits than its factorization.

171372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288 (or 14286 counting only the distinct ones).

The product of its digits is 294, while the sum is 21.

The square root of 171372 is about 413.9710134780. The cubic root of 171372 is about 55.5452111110.

The spelling of 171372 in words is "one hundred seventy-one thousand, three hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 3 4 6 12 14281 28562 42843 57124 85686 171372