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5490149 = 7784307
BaseRepresentation
bin10100111100010111100101
3101022221001212
4110330113211
52401141044
6313401205
764444160
oct24742745
911287055
105490149
11310a915
121a09205
1311a2c12
14a2cad7
15736a9e
hex53c5e5

5490149 has 4 divisors (see below), whose sum is σ = 6274464. Its totient is φ = 4705836.

The previous prime is 5490137. The next prime is 5490151. The reversal of 5490149 is 9410945.

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 a de Polignac number, because none of the positive numbers 2k-5490149 is a prime.

It is a super-3 number, since 3×54901493 (a number of 21 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5490649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392147 + ... + 392160.

It is an arithmetic number, because the mean of its divisors is an integer number (1568616).

Almost surely, 25490149 is an apocalyptic number.

It is an amenable number.

5490149 is a deficient number, since it is larger than the sum of its proper divisors (784315).

5490149 is an equidigital number, since it uses as much as digits as its factorization.

5490149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784314.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5490149 is about 2343.1066983814. The cubic root of 5490149 is about 176.4119675380.

The spelling of 5490149 in words is "five million, four hundred ninety thousand, one hundred forty-nine".

Divisors: 1 7 784307 5490149