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18058130 = 2559127241
BaseRepresentation
bin100010011100…
…0101110010010
31020222110002122
41010320232102
514110330010
61443014242
7306330416
oct104705622
936873078
1018058130
11a214382
12606a382
1339835ac
142580d46
1518ba855
hex1138b92

18058130 has 32 divisors (see below), whose sum is σ = 33454080. Its totient is φ = 7015680.

The previous prime is 18058129. The next prime is 18058133. The reversal of 18058130 is 3185081.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18058130.

It is not an unprimeable number, because it can be changed into a prime (18058133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74810 + ... + 75050.

It is an arithmetic number, because the mean of its divisors is an integer number (1045440).

Almost surely, 218058130 is an apocalyptic number.

18058130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18058130 is a deficient number, since it is larger than the sum of its proper divisors (15395950).

18058130 is a wasteful number, since it uses less digits than its factorization.

18058130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 18058130 is about 4249.4858512531. The cubic root of 18058130 is about 262.3559542277.

The spelling of 18058130 in words is "eighteen million, fifty-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 59 118 127 241 254 295 482 590 635 1205 1270 2410 7493 14219 14986 28438 30607 37465 61214 71095 74930 142190 153035 306070 1805813 3611626 9029065 18058130