Search a number
-
+
161036 = 22127317
BaseRepresentation
bin100111010100001100
322011220022
4213110030
520123121
63241312
71240331
oct472414
9264808
10161036
11aaa97
1279238
13583b5
1442988
1532aab
hex2750c

161036 has 12 divisors (see below), whose sum is σ = 284928. Its totient is φ = 79632.

The previous prime is 161033. The next prime is 161039. The reversal of 161036 is 630161.

It is an interprime number because it is at equal distance from previous prime (161033) and next prime (161039).

It is an Ulam number.

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

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161036.

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, 350 + ... + 666.

It is an arithmetic number, because the mean of its divisors is an integer number (23744).

2161036 is an apocalyptic number.

161036 is the 215-th centered heptagonal number.

It is an amenable number.

161036 is a deficient number, since it is larger than the sum of its proper divisors (123892).

161036 is a wasteful number, since it uses less digits than its factorization.

161036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 161036 is about 401.2929104781. The cubic root of 161036 is about 54.4052727012.

Adding to 161036 its reverse (630161), we get a palindrome (791197).

The spelling of 161036 in words is "one hundred sixty-one thousand, thirty-six".

Divisors: 1 2 4 127 254 317 508 634 1268 40259 80518 161036