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2692081 = 7232727
BaseRepresentation
bin1010010001001111110001
312001202211201
422101033301
51142121311
6133411201
731611430
oct12211761
95052751
102692081
111579667
12a99b01
13733462
14501117
153829c1
hex2913f1

2692081 has 12 divisors (see below), whose sum is σ = 3220672. Its totient is φ = 2204136.

The previous prime is 2692061. The next prime is 2692087. The reversal of 2692081 is 1802962.

It is a happy number.

2692081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2692081 - 221 = 594929 is a prime.

It is a super-2 number, since 2×26920812 = 14494600221122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2692087) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 3340 + ... + 4066.

22692081 is an apocalyptic number.

It is an amenable number.

2692081 is a deficient number, since it is larger than the sum of its proper divisors (528591).

2692081 is an equidigital number, since it uses as much as digits as its factorization.

2692081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2692081 is about 1640.7562280851. The cubic root of 2692081 is about 139.1113956157. Note that the first 3 decimals are identical.

The spelling of 2692081 in words is "two million, six hundred ninety-two thousand, eighty-one".

Divisors: 1 7 23 161 529 727 3703 5089 16721 117047 384583 2692081