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104981818 = 2157367911
BaseRepresentation
bin1100100000111…
…10010100111010
321022112121222111
412100132110322
5203333404233
614230042534
72413221304
oct620362472
9238477874
10104981818
1154294437
122b1a944a
1318999226
14dd2a974
15933aacd
hex641e53a

104981818 has 16 divisors (see below), whose sum is σ = 159081984. Its totient is φ = 51957360.

The previous prime is 104981809. The next prime is 104981837. The reversal of 104981818 is 818189401.

It is a super-2 number, since 2×1049818182 = 22042364221170248, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 114783 + ... + 115693.

It is an arithmetic number, because the mean of its divisors is an integer number (9942624).

Almost surely, 2104981818 is an apocalyptic number.

104981818 is a deficient number, since it is larger than the sum of its proper divisors (54100166).

104981818 is a wasteful number, since it uses less digits than its factorization.

104981818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 18432, while the sum is 40.

The square root of 104981818 is about 10246.0635367930. The cubic root of 104981818 is about 471.7421656305.

The spelling of 104981818 in words is "one hundred four million, nine hundred eighty-one thousand, eight hundred eighteen".

Divisors: 1 2 157 314 367 734 911 1822 57619 115238 143027 286054 334337 668674 52490909 104981818