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161038 = 2731103
BaseRepresentation
bin100111010100001110
322011220101
4213110032
520123123
63241314
71240333
oct472416
9264811
10161038
11aaa99
127923a
13583b7
144298a
1532aad
hex2750e

161038 has 8 divisors (see below), whose sum is σ = 245088. Its totient is φ = 79344.

The previous prime is 161033. The next prime is 161039. The reversal of 161038 is 830161.

161038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is a zygodrome 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 3 ways as a sum of consecutive naturals, for example, 406 + ... + 697.

It is an arithmetic number, because the mean of its divisors is an integer number (30636).

2161038 is an apocalyptic number.

161038 is a deficient number, since it is larger than the sum of its proper divisors (84050).

161038 is a wasteful number, since it uses less digits than its factorization.

161038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 161038 is about 401.2954024157. The cubic root of 161038 is about 54.4054979305.

Adding to 161038 its reverse (830161), we get a palindrome (991199).

The spelling of 161038 in words is "one hundred sixty-one thousand, thirty-eight".

Divisors: 1 2 73 146 1103 2206 80519 161038