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4027261 = 7282189
BaseRepresentation
bin1111010111001101111101
321120121100211
433113031331
52012333021
6222152421
746142200
oct17271575
97517324
104027261
112300817
121422711
13ab00c4
1476b937
155483e1
hex3d737d

4027261 has 6 divisors (see below), whose sum is σ = 4684830. Its totient is φ = 3451896.

The previous prime is 4027237. The next prime is 4027273. The reversal of 4027261 is 1627204.

It can be written as a sum of positive squares in only one way, i.e., 3261636 + 765625 = 1806^2 + 875^2 .

It is not a de Polignac number, because 4027261 - 25 = 4027229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4027211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41046 + ... + 41143.

It is an arithmetic number, because the mean of its divisors is an integer number (780805).

Almost surely, 24027261 is an apocalyptic number.

It is an amenable number.

4027261 is a deficient number, since it is larger than the sum of its proper divisors (657569).

4027261 is an equidigital number, since it uses as much as digits as its factorization.

4027261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82203 (or 82196 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 4027261 is about 2006.8036774931. The cubic root of 4027261 is about 159.0999068850.

The spelling of 4027261 in words is "four million, twenty-seven thousand, two hundred sixty-one".

Divisors: 1 7 49 82189 575323 4027261