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2591061 = 31178517
BaseRepresentation
bin1001111000100101010101
311212122021020
421320211111
51130403221
6131311353
731011054
oct11704525
94778236
102591061
11150a780
12a4b559
136c9495
144b639b
15362ac6
hex278955

2591061 has 8 divisors (see below), whose sum is σ = 3768864. Its totient is φ = 1570320.

The previous prime is 2591059. The next prime is 2591093. The reversal of 2591061 is 1601952.

2591061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2591061 - 21 = 2591059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591041) 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 7 ways as a sum of consecutive naturals, for example, 39226 + ... + 39291.

It is an arithmetic number, because the mean of its divisors is an integer number (471108).

22591061 is an apocalyptic number.

It is an amenable number.

2591061 is a deficient number, since it is larger than the sum of its proper divisors (1177803).

2591061 is a wasteful number, since it uses less digits than its factorization.

2591061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78531.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2591061 is about 1609.6772968518. The cubic root of 2591061 is about 137.3491193456.

The spelling of 2591061 in words is "two million, five hundred ninety-one thousand, sixty-one".

Divisors: 1 3 11 33 78517 235551 863687 2591061