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428994175 = 5217159767
BaseRepresentation
bin11001100100011…
…110111001111111
31002220020011101011
4121210132321333
51334310303200
6110322500051
713426250611
oct3144367177
91086204334
10428994175
11200179745
12bb804627
136ab5380c
1440d90db1
15279de5ba
hex1991ee7f

428994175 has 6 divisors (see below), whose sum is σ = 531952808. Its totient is φ = 343195320.

The previous prime is 428994157. The next prime is 428994191. The reversal of 428994175 is 571499824.

It is not a de Polignac number, because 428994175 - 25 = 428994143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8579859 + ... + 8579908.

Almost surely, 2428994175 is an apocalyptic number.

428994175 is a deficient number, since it is larger than the sum of its proper divisors (102958633).

428994175 is a wasteful number, since it uses less digits than its factorization.

428994175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17159777 (or 17159772 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 428994175 is about 20712.1745599056. The cubic root of 428994175 is about 754.1952596765.

It can be divided in two parts, 42899 and 4175, that added together give a palindrome (47074).

The spelling of 428994175 in words is "four hundred twenty-eight million, nine hundred ninety-four thousand, one hundred seventy-five".

Divisors: 1 5 25 17159767 85798835 428994175