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631046741 = 13167290671
BaseRepresentation
bin100101100111010…
…000001001010101
31121222102111101112
4211213100021111
52243021443431
6142341304405
721431544263
oct4547201125
91558374345
10631046741
112a4233836
12157405105
13a0979150
145db49433
153a601c2b
hex259d0255

631046741 has 8 divisors (see below), whose sum is σ = 683660544. Its totient is φ = 579014640.

The previous prime is 631046683. The next prime is 631046747. The reversal of 631046741 is 147640136.

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

It is a cyclic number.

It is not a de Polignac number, because 631046741 - 210 = 631045717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 631046698 and 631046707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631046747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143165 + ... + 147506.

It is an arithmetic number, because the mean of its divisors is an integer number (85457568).

Almost surely, 2631046741 is an apocalyptic number.

It is an amenable number.

631046741 is a deficient number, since it is larger than the sum of its proper divisors (52613803).

631046741 is a wasteful number, since it uses less digits than its factorization.

631046741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290851.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 631046741 is about 25120.6437218476. The cubic root of 631046741 is about 857.7364039215.

Adding to 631046741 its reverse (147640136), we get a palindrome (778686877).

The spelling of 631046741 in words is "six hundred thirty-one million, forty-six thousand, seven hundred forty-one".

Divisors: 1 13 167 2171 290671 3778723 48542057 631046741