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2742497 = 23434759
BaseRepresentation
bin1010011101100011100001
312011022222222
422131203201
51200224442
6134440425
732211422
oct12354341
95138888
102742497
11160352a
12b03115
137503a4
14515649
153928d2
hex29d8e1

2742497 has 16 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 2465232.

The previous prime is 2742473. The next prime is 2742503. The reversal of 2742497 is 7942472.

It is a happy number.

2742497 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 2742497 - 28 = 2742241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742407) 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 15 ways as a sum of consecutive naturals, for example, 46454 + ... + 46512.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

22742497 is an apocalyptic number.

It is an amenable number.

2742497 is a deficient number, since it is larger than the sum of its proper divisors (298783).

2742497 is a wasteful number, since it uses less digits than its factorization.

2742497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its digits is 28224, while the sum is 35.

The square root of 2742497 is about 1656.0486103977. The cubic root of 2742497 is about 139.9744341071.

It can be divided in two parts, 27 and 42497, that added together give a palindrome (42524).

The spelling of 2742497 in words is "two million, seven hundred forty-two thousand, four hundred ninety-seven".

Divisors: 1 23 43 47 59 989 1081 1357 2021 2537 2773 46483 58351 63779 119239 2742497