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164828479 = 1106914891
BaseRepresentation
bin10011101001100…
…01010100111111
3102111011011011111
421310301110333
5314144002404
624204502451
74041006334
oct1164612477
9374134144
10164828479
1185050092
124724aa27
13281c145a
1417c6898b
15e70d104
hex9d3153f

164828479 has 4 divisors (see below), whose sum is σ = 164854440. Its totient is φ = 164802520.

The previous prime is 164828449. The next prime is 164828497. The reversal of 164828479 is 974828461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 164828479 - 225 = 131274047 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 (164828449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3624 + ... + 18514.

It is an arithmetic number, because the mean of its divisors is an integer number (41213610).

Almost surely, 2164828479 is an apocalyptic number.

164828479 is a deficient number, since it is larger than the sum of its proper divisors (25961).

164828479 is a wasteful number, since it uses less digits than its factorization.

164828479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25960.

The product of its digits is 774144, while the sum is 49.

The square root of 164828479 is about 12838.5543968159. The cubic root of 164828479 is about 548.2905369255.

The spelling of 164828479 in words is "one hundred sixty-four million, eight hundred twenty-eight thousand, four hundred seventy-nine".

Divisors: 1 11069 14891 164828479