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36108081 = 3220032
BaseRepresentation
bin1000100110111…
…1011100110001
32111221110222100
42021233130301
533220424311
63325531013
7615625242
oct211573461
974843870
1036108081
1119422599
1210113a69
137633239
144b1ccc9
153283a56
hex226f731

36108081 has 9 divisors (see below), whose sum is σ = 52182169. Its totient is φ = 24060036.

The previous prime is 36108073. The next prime is 36108179. The reversal of 36108081 is 18080163.

The square root of 36108081 is 6009.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 36108081 - 23 = 36108073 is a prime.

It is a super-2 number, since 2×361080812 = 2607587027005122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36108001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17026 + ... + 19028.

Almost surely, 236108081 is an apocalyptic number.

36108081 is the 6009-th square number.

36108081 is the 3005-th centered octagonal number.

It is an amenable number.

36108081 is a deficient number, since it is larger than the sum of its proper divisors (16074088).

36108081 is an frugal number, since it uses more digits than its factorization.

36108081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The cubic root of 36108081 is about 330.5228351212.

The spelling of 36108081 in words is "thirty-six million, one hundred eight thousand, eighty-one".

Divisors: 1 3 9 2003 6009 18027 4012009 12036027 36108081