Search a number
-
+
18852204 = 22372971109
BaseRepresentation
bin100011111101…
…0100101101100
31022110210100210
41013322211230
514311232304
61512022420
7316145460
oct107724554
938423323
1018852204
11a706a38
126391a10
133ba0b67
14270a4a0
1519c5c89
hex11fa96c

18852204 has 96 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 5080320.

The previous prime is 18852191. The next prime is 18852209. The reversal of 18852204 is 40225881.

It is not an unprimeable number, because it can be changed into a prime (18852209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172902 + ... + 173010.

It is an arithmetic number, because the mean of its divisors is an integer number (554400).

Almost surely, 218852204 is an apocalyptic number.

18852204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18852204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26611200).

18852204 is an abundant number, since it is smaller than the sum of its proper divisors (34370196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18852204 is a wasteful number, since it uses less digits than its factorization.

18852204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18852204 is about 4341.9124818448. The cubic root of 18852204 is about 266.1464699202.

The spelling of 18852204 in words is "eighteen million, eight hundred fifty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 71 84 87 109 116 142 174 203 213 218 284 327 348 406 426 436 497 609 654 763 812 852 994 1218 1308 1491 1526 1988 2059 2289 2436 2982 3052 3161 4118 4578 5964 6177 6322 7739 8236 9156 9483 12354 12644 14413 15478 18966 22127 23217 24708 28826 30956 37932 43239 44254 46434 54173 57652 66381 86478 88508 92868 108346 132762 162519 172956 216692 224431 265524 325038 448862 650076 673293 897724 1346586 1571017 2693172 3142034 4713051 6284068 9426102 18852204