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8180036 = 222045009
BaseRepresentation
bin11111001101000101000100
3120101120220022
4133031011010
54043230121
6451154312
7126346334
oct37150504
916346808
108180036
114687867
1228a5998
131905377
14112d0c4
15ab8aab
hex7cd144

8180036 has 6 divisors (see below), whose sum is σ = 14315070. Its totient is φ = 4090016.

The previous prime is 8180027. The next prime is 8180041. The reversal of 8180036 is 6300818.

8180036 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6220036 + 1960000 = 2494^2 + 1400^2 .

It is a super-2 number, since 2×81800362 = 133825977922592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8179987 and 8180014.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1022501 + ... + 1022508.

It is an arithmetic number, because the mean of its divisors is an integer number (2385845).

Almost surely, 28180036 is an apocalyptic number.

It is an amenable number.

8180036 is a deficient number, since it is larger than the sum of its proper divisors (6135034).

8180036 is a wasteful number, since it uses less digits than its factorization.

8180036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045013 (or 2045011 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8180036 is about 2860.0762227605. The cubic root of 8180036 is about 201.4891841321.

The spelling of 8180036 in words is "eight million, one hundred eighty thousand, thirty-six".

Divisors: 1 2 4 2045009 4090018 8180036