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487098631 = 598255909
BaseRepresentation
bin11101000010001…
…000100100000111
31020221120011201001
4131002020210013
51444144124011
6120200114131
715033161425
oct3502104407
91227504631
10487098631
1122aa55458
12117165947
1379bb8a56
1448998115
152cb6a7c1
hex1d088907

487098631 has 4 divisors (see below), whose sum is σ = 495354600. Its totient is φ = 478842664.

The previous prime is 487098613. The next prime is 487098653. The reversal of 487098631 is 136890784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487098631 - 29 = 487098119 is a prime.

It is a super-2 number, since 2×4870986312 = 474530152644148322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487048631) 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, 4127896 + ... + 4128013.

It is an arithmetic number, because the mean of its divisors is an integer number (123838650).

Almost surely, 2487098631 is an apocalyptic number.

487098631 is a deficient number, since it is larger than the sum of its proper divisors (8255969).

487098631 is an equidigital number, since it uses as much as digits as its factorization.

487098631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255968.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 487098631 is about 22070.3110761946. The cubic root of 487098631 is about 786.8144061034.

The spelling of 487098631 in words is "four hundred eighty-seven million, ninety-eight thousand, six hundred thirty-one".

Divisors: 1 59 8255909 487098631