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36087820 = 2251804391
BaseRepresentation
bin1000100110101…
…0100000001100
32111220110011221
42021222200030
533214302240
63325253124
7615512206
oct211524014
974813157
1036087820
111940934a
12101041a4
137626c52
144b15776
15327ca4a
hex226a80c

36087820 has 12 divisors (see below), whose sum is σ = 75784464. Its totient is φ = 14435120.

The previous prime is 36087811. The next prime is 36087823. The reversal of 36087820 is 2878063.

It is a happy number.

It is a super-3 number, since 3×360878203 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (36087823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902176 + ... + 902215.

It is an arithmetic number, because the mean of its divisors is an integer number (6315372).

Almost surely, 236087820 is an apocalyptic number.

It is an amenable number.

36087820 is an abundant number, since it is smaller than the sum of its proper divisors (39696644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36087820 is a wasteful number, since it uses less digits than its factorization.

36087820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804400 (or 1804398 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 36087820 is about 6007.3138756020. The cubic root of 36087820 is about 330.4610024609.

The spelling of 36087820 in words is "thirty-six million, eighty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 1804391 3608782 7217564 9021955 18043910 36087820