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3100018 = 217731249
BaseRepresentation
bin1011110100110101110010
312211111102111
423310311302
51243200033
6150235534
735230645
oct13646562
95744374
103100018
1118280a9
121055baa
1384703c
145a9a5c
154137cd
hex2f4d72

3100018 has 16 divisors (see below), whose sum is σ = 4995000. Its totient is φ = 1437696.

The previous prime is 3100007. The next prime is 3100043. The reversal of 3100018 is 8100013.

It can be written as a sum of positive squares in 4 ways, for example, as 2900209 + 199809 = 1703^2 + 447^2 .

It is a super-2 number, since 2×31000182 = 19220223200648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3099980 and 3100007.

It is a congruent number.

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, 1858 + ... + 3106.

Almost surely, 23100018 is an apocalyptic number.

3100018 is a deficient number, since it is larger than the sum of its proper divisors (1894982).

3100018 is a wasteful number, since it uses less digits than its factorization.

3100018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3100018 is about 1760.6867978150. The cubic root of 3100018 is about 145.8102557950.

The spelling of 3100018 in words is "three million, one hundred thousand, eighteen".

Divisors: 1 2 17 34 73 146 1241 1249 2482 2498 21233 42466 91177 182354 1550009 3100018