Search a number
-
+
8161124 = 222040281
BaseRepresentation
bin11111001000011101100100
3120100121221212
4133020131210
54042123444
6450530552
7126240236
oct37103544
916317855
108161124
114674634
122896a58
1318c988a
141126256
15ab319e
hex7c8764

8161124 has 6 divisors (see below), whose sum is σ = 14281974. Its totient is φ = 4080560.

The previous prime is 8161121. The next prime is 8161183. The reversal of 8161124 is 4211618.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 2010724 = 2480^2 + 1418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8161124.

It is not an unprimeable number, because it can be changed into a prime (8161121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020137 + ... + 1020144.

It is an arithmetic number, because the mean of its divisors is an integer number (2380329).

Almost surely, 28161124 is an apocalyptic number.

It is an amenable number.

8161124 is a deficient number, since it is larger than the sum of its proper divisors (6120850).

8161124 is a wasteful number, since it uses less digits than its factorization.

8161124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040285 (or 2040283 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 8161124 is about 2856.7681039944. The cubic root of 8161124 is about 201.3337853105. Note that the first 3 decimals are identical.

The spelling of 8161124 in words is "eight million, one hundred sixty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 2040281 4080562 8161124