Search a number
-
+
170234081 = 1114915269
BaseRepresentation
bin10100010010110…
…01000011100001
3102212022210020222
422021121003201
5322034442311
624520412425
74134652163
oct1211310341
9385283228
10170234081
1188102426
1249017115
1329364a34
1418874933
15ee29adb
hexa2590e1

170234081 has 4 divisors (see below), whose sum is σ = 170260500. Its totient is φ = 170207664.

The previous prime is 170234059. The next prime is 170234087. The reversal of 170234081 is 180432071.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 180432071 = 271665801.

It can be written as a sum of positive squares in 2 ways, for example, as 64144081 + 106090000 = 8009^2 + 10300^2 .

It is a cyclic number.

It is not a de Polignac number, because 170234081 - 210 = 170233057 is a prime.

It is a super-2 number, since 2×1702340812 = 57959284667829122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 170234081.

It is not an unprimeable number, because it can be changed into a prime (170234087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (42565125).

Almost surely, 2170234081 is an apocalyptic number.

It is an amenable number.

170234081 is a deficient number, since it is larger than the sum of its proper divisors (26419).

170234081 is a wasteful number, since it uses less digits than its factorization.

170234081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26418.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 170234081 is about 13047.3783190341. The cubic root of 170234081 is about 554.2199696017.

The spelling of 170234081 in words is "one hundred seventy million, two hundred thirty-four thousand, eighty-one".

Divisors: 1 11149 15269 170234081