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487500313 = 1728676489
BaseRepresentation
bin11101000011101…
…010101000011001
31020222022120201011
4131003222220121
51444300002223
6120212453521
715036453466
oct3503525031
91228276634
10487500313
112301aa223
1211731a2a1
1379cc9831
1448a6066d
152cbe980d
hex1d0eaa19

487500313 has 4 divisors (see below), whose sum is σ = 516176820. Its totient is φ = 458823808.

The previous prime is 487500311. The next prime is 487500319. The reversal of 487500313 is 313005784.

487500313 = 156122 + 156132.

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 243765769 + 243734544 = 15613^2 + 15612^2 .

It is a cyclic number.

It is not a de Polignac number, because 487500313 - 21 = 487500311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487500311) 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, 14338228 + ... + 14338261.

It is an arithmetic number, because the mean of its divisors is an integer number (129044205).

Almost surely, 2487500313 is an apocalyptic number.

487500313 is the 15613-rd centered square number.

It is an amenable number.

487500313 is a deficient number, since it is larger than the sum of its proper divisors (28676507).

487500313 is a wasteful number, since it uses less digits than its factorization.

487500313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28676506.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 487500313 is about 22079.4092538727. The cubic root of 487500313 is about 787.0306267537.

The spelling of 487500313 in words is "four hundred eighty-seven million, five hundred thousand, three hundred thirteen".

Divisors: 1 17 28676489 487500313