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164725048 = 2320590631
BaseRepresentation
bin10011101000110…
…00000100111000
3102110221220021201
421310120010320
5314132200143
624202343544
74040065645
oct1164300470
9373856251
10164725048
1184a8a404
12471babb4
1328186357
1417c3cdcc
15e6dc64d
hex9d18138

164725048 has 8 divisors (see below), whose sum is σ = 308859480. Its totient is φ = 82362520.

The previous prime is 164725031. The next prime is 164725049. The reversal of 164725048 is 840527461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 164724998 and 164725016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164725049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10295308 + ... + 10295323.

It is an arithmetic number, because the mean of its divisors is an integer number (38607435).

Almost surely, 2164725048 is an apocalyptic number.

It is an amenable number.

164725048 is a deficient number, since it is larger than the sum of its proper divisors (144134432).

164725048 is a wasteful number, since it uses less digits than its factorization.

164725048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20590637 (or 20590633 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 164725048 is about 12834.5256242683. The cubic root of 164725048 is about 548.1758275722.

The spelling of 164725048 in words is "one hundred sixty-four million, seven hundred twenty-five thousand, forty-eight".

Divisors: 1 2 4 8 20590631 41181262 82362524 164725048