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631935485 = 5131964787
BaseRepresentation
bin100101101010101…
…001000111111101
31122001002122111222
4211222221013331
52243233413420
6142412323125
721442235336
oct4552510775
91561078458
10631935485
112a4790535
121577734a5
13a0bca82c
145dcdb28d
153a72a225
hex25aa91fd

631935485 has 8 divisors (see below), whose sum is σ = 764112096. Its totient is φ = 501688720.

The previous prime is 631935449. The next prime is 631935541. The reversal of 631935485 is 584539136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 631935485 - 28 = 631935229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481739 + ... + 483048.

It is an arithmetic number, because the mean of its divisors is an integer number (95514012).

Almost surely, 2631935485 is an apocalyptic number.

It is an amenable number.

631935485 is a deficient number, since it is larger than the sum of its proper divisors (132176611).

631935485 is a wasteful number, since it uses less digits than its factorization.

631935485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964923.

The product of its digits is 388800, while the sum is 44.

The square root of 631935485 is about 25138.3270127509. The cubic root of 631935485 is about 858.1388836130.

The spelling of 631935485 in words is "six hundred thirty-one million, nine hundred thirty-five thousand, four hundred eighty-five".

Divisors: 1 5 131 655 964787 4823935 126387097 631935485