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18802058 = 21119311451
BaseRepresentation
bin100011110111…
…0010110001010
31022101020120112
41013232112022
514303131213
61510554322
7315546332
oct107562612
938336515
1018802058
11a6822a0
1263689a2
133b840a2
1426d60c2
1519b5ea8
hex11ee58a

18802058 has 32 divisors (see below), whose sum is σ = 33454080. Its totient is φ = 7830000.

The previous prime is 18802057. The next prime is 18802081. The reversal of 18802058 is 85020881.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18802057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12233 + ... + 13683.

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

Almost surely, 218802058 is an apocalyptic number.

18802058 is a deficient number, since it is larger than the sum of its proper divisors (14652022).

18802058 is a wasteful number, since it uses less digits than its factorization.

18802058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 18802058 is about 4336.1339923946. The cubic root of 18802058 is about 265.9102812353.

The spelling of 18802058 in words is "eighteen million, eight hundred two thousand, fifty-eight".

Divisors: 1 2 11 19 22 31 38 62 209 341 418 589 682 1178 1451 2902 6479 12958 15961 27569 31922 44981 55138 89962 303259 494791 606518 854639 989582 1709278 9401029 18802058