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487490165 = 597498033
BaseRepresentation
bin11101000011101…
…000001001110101
31020222022001210022
4131003220021311
51444244141130
6120212334525
715036412061
oct3503501165
91228261708
10487490165
112301a2638
12117314445
1379cc5026
1448a5aaa1
152cbe67e5
hex1d0e8275

487490165 has 4 divisors (see below), whose sum is σ = 584988204. Its totient is φ = 389992128.

The previous prime is 487490161. The next prime is 487490167. The reversal of 487490165 is 561094784.

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 384081604 + 103408561 = 19598^2 + 10169^2 .

It is a cyclic number.

It is not a de Polignac number, because 487490165 - 22 = 487490161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487490161) 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, 48749012 + ... + 48749021.

It is an arithmetic number, because the mean of its divisors is an integer number (146247051).

Almost surely, 2487490165 is an apocalyptic number.

It is an amenable number.

487490165 is a deficient number, since it is larger than the sum of its proper divisors (97498039).

487490165 is an equidigital number, since it uses as much as digits as its factorization.

487490165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97498038.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 487490165 is about 22079.1794458037. The cubic root of 487490165 is about 787.0251656685.

The spelling of 487490165 in words is "four hundred eighty-seven million, four hundred ninety thousand, one hundred sixty-five".

Divisors: 1 5 97498033 487490165