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428754671 = 17411075749
BaseRepresentation
bin11001100011100…
…100011011101111
31002212202222211122
4121203210123233
51334230122141
6110313411155
713424232422
oct3143443357
91085688748
10428754671
11200025804
12bb709abb
136aa9b7b7
1440d2b9b9
152799364b
hex198e46ef

428754671 has 16 divisors (see below), whose sum is σ = 469476000. Its totient is φ = 389944320.

The previous prime is 428754659. The next prime is 428754709. The reversal of 428754671 is 176457824.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-428754671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428754611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71705 + ... + 77453.

It is an arithmetic number, because the mean of its divisors is an integer number (29342250).

Almost surely, 2428754671 is an apocalyptic number.

428754671 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

428754671 is a deficient number, since it is larger than the sum of its proper divisors (40721329).

428754671 is a wasteful number, since it uses less digits than its factorization.

428754671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914.

The product of its digits is 376320, while the sum is 44.

The square root of 428754671 is about 20706.3920324136. The cubic root of 428754671 is about 754.0548798317.

The spelling of 428754671 in words is "four hundred twenty-eight million, seven hundred fifty-four thousand, six hundred seventy-one".

Divisors: 1 17 41 107 697 1819 4387 5749 74579 97733 235709 615143 4007053 10457431 25220863 428754671