Search a number
-
+
18601124 = 224650281
BaseRepresentation
bin100011011110…
…1010010100100
31022000000221112
41012331102210
514230213444
61502404152
7314051453
oct106752244
938000845
1018601124
11a555333
126290658
133b137a9
142682b9a
15197669e
hex11bd4a4

18601124 has 6 divisors (see below), whose sum is σ = 32551974. Its totient is φ = 9300560.

The previous prime is 18601117. The next prime is 18601139. The reversal of 18601124 is 42110681.

It can be written as a sum of positive squares in only one way, i.e., 15745024 + 2856100 = 3968^2 + 1690^2 .

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 18601124.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325137 + ... + 2325144.

It is an arithmetic number, because the mean of its divisors is an integer number (5425329).

Almost surely, 218601124 is an apocalyptic number.

It is an amenable number.

18601124 is a deficient number, since it is larger than the sum of its proper divisors (13950850).

18601124 is a wasteful number, since it uses less digits than its factorization.

18601124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650285 (or 4650283 counting only the distinct ones).

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

The square root of 18601124 is about 4312.9020392307. The cubic root of 18601124 is about 264.9596426023.

The spelling of 18601124 in words is "eighteen million, six hundred one thousand, one hundred twenty-four".

Divisors: 1 2 4 4650281 9300562 18601124