Search a number
-
+
830442165 = 35722934537
BaseRepresentation
bin110001011111111…
…000101010110101
32010212121211111020
4301133320222311
53200043122130
6214223131353
726402433120
oct6137705265
92125554436
10830442165
11396843543
121b2143b59
131030811c7
147c4113b7
154cd8be10
hex317f8ab5

830442165 has 32 divisors (see below), whose sum is σ = 1525198080. Its totient is φ = 377961984.

The previous prime is 830442161. The next prime is 830442181. The reversal of 830442165 is 561244038.

It is not a de Polignac number, because 830442165 - 22 = 830442161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830442161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6777 + ... + 41313.

It is an arithmetic number, because the mean of its divisors is an integer number (47662440).

Almost surely, 2830442165 is an apocalyptic number.

It is an amenable number.

830442165 is a deficient number, since it is larger than the sum of its proper divisors (694755915).

830442165 is a wasteful number, since it uses less digits than its factorization.

830442165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34781.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 830442165 is about 28817.3934456259. The cubic root of 830442165 is about 939.9464904654.

The spelling of 830442165 in words is "eight hundred thirty million, four hundred forty-two thousand, one hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 105 229 687 1145 1603 3435 4809 8015 24045 34537 103611 172685 241759 518055 725277 1208795 3626385 7908973 23726919 39544865 55362811 118634595 166088433 276814055 830442165