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5148309 = 31716103
BaseRepresentation
bin10011101000111010010101
3100200120011010
4103220322111
52304221214
6302202433
761521435
oct23507225
910616133
105148309
1129a7001
121883419
1310b344a
149802c5
156ba659
hex4e8e95

5148309 has 4 divisors (see below), whose sum is σ = 6864416. Its totient is φ = 3432204.

The previous prime is 5148301. The next prime is 5148313. The reversal of 5148309 is 9038415.

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 not a de Polignac number, because 5148309 - 23 = 5148301 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5148301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858049 + ... + 858054.

It is an arithmetic number, because the mean of its divisors is an integer number (1716104).

Almost surely, 25148309 is an apocalyptic number.

It is an amenable number.

5148309 is a deficient number, since it is larger than the sum of its proper divisors (1716107).

5148309 is a wasteful number, since it uses less digits than its factorization.

5148309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716106.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 5148309 is about 2268.9885411786. The cubic root of 5148309 is about 172.6718472297.

The spelling of 5148309 in words is "five million, one hundred forty-eight thousand, three hundred nine".

Divisors: 1 3 1716103 5148309