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5457745 = 51091549
BaseRepresentation
bin10100110100011101010001
3101021021121201
4110310131101
52344121440
6312551201
764250536
oct24643521
911237551
105457745
113098537
1219b2501
131191247
14a20d8d
1572c19a
hex534751

5457745 has 4 divisors (see below), whose sum is σ = 6549300. Its totient is φ = 4366192.

The previous prime is 5457743. The next prime is 5457773. The reversal of 5457745 is 5477545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3243601 + 2214144 = 1801^2 + 1488^2 .

It is a cyclic number.

It is not a de Polignac number, because 5457745 - 21 = 5457743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457743) 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 3 ways as a sum of consecutive naturals, for example, 545770 + ... + 545779.

It is an arithmetic number, because the mean of its divisors is an integer number (1637325).

Almost surely, 25457745 is an apocalyptic number.

It is an amenable number.

5457745 is a deficient number, since it is larger than the sum of its proper divisors (1091555).

5457745 is a wasteful number, since it uses less digits than its factorization.

5457745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091554.

The product of its digits is 98000, while the sum is 37.

The square root of 5457745 is about 2336.1817138228. The cubic root of 5457745 is about 176.0642090962.

The spelling of 5457745 in words is "five million, four hundred fifty-seven thousand, seven hundred forty-five".

Divisors: 1 5 1091549 5457745