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671039468 = 221129525893
BaseRepresentation
bin100111111111110…
…011111111101100
31201202200100002122
4213333303333230
52333241230333
6150330412112
722425512201
oct4777637754
91652610078
10671039468
11314869980
12168891038
13a903c598
1465199ca8
153dda1798
hex27ff3fec

671039468 has 24 divisors (see below), whose sum is σ = 1325252880. Its totient is φ = 294499520.

The previous prime is 671039461. The next prime is 671039483. The reversal of 671039468 is 864930176.

It is a super-2 number, since 2×6710394682 = 900587935227446048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (671039461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261671 + ... + 264222.

It is an arithmetic number, because the mean of its divisors is an integer number (55218870).

Almost surely, 2671039468 is an apocalyptic number.

671039468 is the 13847-th centered heptagonal number.

It is an amenable number.

671039468 is a deficient number, since it is larger than the sum of its proper divisors (654213412).

671039468 is a wasteful number, since it uses less digits than its factorization.

671039468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525937 (or 525935 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 671039468 is about 25904.4295053954. The cubic root of 671039468 is about 875.4863007795.

The spelling of 671039468 in words is "six hundred seventy-one million, thirty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 525893 1051786 2103572 5784823 11569646 15250897 23139292 30501794 61003588 167759867 335519734 671039468