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8485038631 = 29292587539
BaseRepresentation
bin1111110011011111…
…10110101000100111
3210220100002121211001
413321233312220213
5114334132214011
63521543454131
7420160431646
oct77157665047
923810077731
108485038631
113664646123
121789757347
13a52b8a324
145a6c8735d
15349daa7c1
hex1f9bf6a27

8485038631 has 4 divisors (see below), whose sum is σ = 8777626200. Its totient is φ = 8192451064.

The previous prime is 8485038607. The next prime is 8485038649. The reversal of 8485038631 is 1368305848.

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 8485038631 - 29 = 8485038119 is a prime.

It is a super-2 number, since 2×84850386312 (a number of 21 digits) 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 (8485038671) 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, 146293741 + ... + 146293798.

It is an arithmetic number, because the mean of its divisors is an integer number (2194406550).

Almost surely, 28485038631 is an apocalyptic number.

8485038631 is a deficient number, since it is larger than the sum of its proper divisors (292587569).

8485038631 is a wasteful number, since it uses less digits than its factorization.

8485038631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292587568.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 8485038631 is about 92114.2694211923. The cubic root of 8485038631 is about 2039.6294526738.

The spelling of 8485038631 in words is "eight billion, four hundred eighty-five million, thirty-eight thousand, six hundred thirty-one".

Divisors: 1 29 292587539 8485038631