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481031631 = 3288760257
BaseRepresentation
bin11100101010111…
…111010111001111
31020112010221100100
4130222333113033
51441121003011
6115422102143
714630462403
oct3452772717
91215127310
10481031631
11227591203
1211511a953
1378873402
1447c59103
152c36cd56
hex1cabf5cf

481031631 has 12 divisors (see below), whose sum is σ = 695618352. Its totient is φ = 320320896.

The previous prime is 481031611. The next prime is 481031651. The reversal of 481031631 is 136130184.

It is an interprime number because it is at equal distance from previous prime (481031611) and next prime (481031651).

It is not a de Polignac number, because 481031631 - 25 = 481031599 is a prime.

It is a super-3 number, since 3×4810316313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 481031595 and 481031604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481031611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22146 + ... + 38111.

It is an arithmetic number, because the mean of its divisors is an integer number (57968196).

Almost surely, 2481031631 is an apocalyptic number.

481031631 is a deficient number, since it is larger than the sum of its proper divisors (214586721).

481031631 is a wasteful number, since it uses less digits than its factorization.

481031631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61150 (or 61147 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 481031631 is about 21932.4333123345. The cubic root of 481031631 is about 783.5340572481.

The spelling of 481031631 in words is "four hundred eighty-one million, thirty-one thousand, six hundred thirty-one".

Divisors: 1 3 9 887 2661 7983 60257 180771 542313 53447959 160343877 481031631