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5575021 = 10752103
BaseRepresentation
bin10101010001000101101101
3101111020111021
4111101011231
52411400041
6315254141
765246464
oct25210555
911436437
105575021
113168661
121a4a351
13120273a
14a519db
15751cd1
hex55116d

5575021 has 4 divisors (see below), whose sum is σ = 5627232. Its totient is φ = 5522812.

The previous prime is 5575019. The next prime is 5575043. The reversal of 5575021 is 1205755.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5575021 - 21 = 5575019 is a prime.

It is a Duffinian number.

5575021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5575001) 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, 25945 + ... + 26158.

It is an arithmetic number, because the mean of its divisors is an integer number (1406808).

Almost surely, 25575021 is an apocalyptic number.

It is an amenable number.

5575021 is a deficient number, since it is larger than the sum of its proper divisors (52211).

5575021 is a wasteful number, since it uses less digits than its factorization.

5575021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52210.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 5575021 is about 2361.1482376166. The cubic root of 5575021 is about 177.3163716260.

It can be divided in two parts, 55 and 75021, that added together give a square (75076 = 2742).

The spelling of 5575021 in words is "five million, five hundred seventy-five thousand, twenty-one".

Divisors: 1 107 52103 5575021