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470196891 = 32337155027
BaseRepresentation
bin11100000001101…
…010001010011011
31012202202110212200
4130001222022123
51430332300031
6114353541243
714436415263
oct3401521233
91182673780
10470196891
1122146097a
12111574823
137654b918
14466387a3
152b42c8e6
hex1c06a29b

470196891 has 12 divisors (see below), whose sum is σ = 681193032. Its totient is φ = 312532416.

The previous prime is 470196887. The next prime is 470196893. The reversal of 470196891 is 198691074.

It is a happy number.

470196891 is a `hidden beast` number, since 470 + 1 + 96 + 8 + 91 = 666.

It is not a de Polignac number, because 470196891 - 22 = 470196887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (470196893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74481 + ... + 80546.

It is an arithmetic number, because the mean of its divisors is an integer number (56766086).

Almost surely, 2470196891 is an apocalyptic number.

470196891 is a deficient number, since it is larger than the sum of its proper divisors (210996141).

470196891 is a wasteful number, since it uses less digits than its factorization.

470196891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155370 (or 155367 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 470196891 is about 21684.0238655098. The cubic root of 470196891 is about 777.6065636274.

The spelling of 470196891 in words is "four hundred seventy million, one hundred ninety-six thousand, eight hundred ninety-one".

Divisors: 1 3 9 337 1011 3033 155027 465081 1395243 52244099 156732297 470196891