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161037 = 3229617
BaseRepresentation
bin100111010100001101
322011220100
4213110031
520123122
63241313
71240332
oct472415
9264810
10161037
11aaa98
1279239
13583b6
1442989
1532aac
hex2750d

161037 has 12 divisors (see below), whose sum is σ = 241020. Its totient is φ = 103488.

The previous prime is 161033. The next prime is 161039. The reversal of 161037 is 730161.

161037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35721 + 125316 = 189^2 + 354^2 .

It is not a de Polignac number, because 161037 - 22 = 161033 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (20085).

2161037 is an apocalyptic number.

It is an amenable number.

161037 is a deficient number, since it is larger than the sum of its proper divisors (79983).

161037 is a wasteful number, since it uses less digits than its factorization.

161037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 161037 is about 401.2941564489. The cubic root of 161037 is about 54.4053853161.

Adding to 161037 its reverse (730161), we get a palindrome (891198).

It can be divided in two parts, 16103 and 7, that added together give a triangular number (16110 = T179).

The spelling of 161037 in words is "one hundred sixty-one thousand, thirty-seven".

Divisors: 1 3 9 29 87 261 617 1851 5553 17893 53679 161037