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2745127 = 72112463
BaseRepresentation
bin1010011110001100100111
312011110121101
422132030213
51200321002
6134500531
732222200
oct12361447
95143541
102745127
111605500
12b04747
13751648
145165a7
15393587
hex29e327

2745127 has 18 divisors (see below), whose sum is σ = 3517584. Its totient is φ = 2134440.

The previous prime is 2745121. The next prime is 2745131. The reversal of 2745127 is 7215472.

It is not a de Polignac number, because 2745127 - 211 = 2743079 is a prime.

It is a super-2 number, since 2×27451272 = 15071444492258, which contains 22 as substring.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 2745095 and 2745104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745121) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5698 + ... + 6160.

22745127 is an apocalyptic number.

2745127 is a deficient number, since it is larger than the sum of its proper divisors (772457).

2745127 is a wasteful number, since it uses less digits than its factorization.

2745127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 481 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 2745127 is about 1656.8424789340. The cubic root of 2745127 is about 140.0191640433.

It can be divided in two parts, 27 and 45127, that added together give a palindrome (45154).

The spelling of 2745127 in words is "two million, seven hundred forty-five thousand, one hundred twenty-seven".

Divisors: 1 7 11 49 77 121 463 539 847 3241 5093 5929 22687 35651 56023 249557 392161 2745127