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80064148 = 2231363949
BaseRepresentation
bin1001100010110…
…10111010010100
312120122200100211
410301122322110
5130444023043
611540015204
71661351113
oct461327224
9176580324
1080064148
114121541a
1222991504
1313783648
14a8c1c7a
157067a9d
hex4c5ae94

80064148 has 12 divisors (see below), whose sum is σ = 140562100. Its totient is φ = 39903552.

The previous prime is 80064143. The next prime is 80064167. The reversal of 80064148 is 84146008.

80064148 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21511044 + 58553104 = 4638^2 + 7652^2 .

80064148 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80064143) 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 3 ways as a sum of consecutive naturals, for example, 30723 + ... + 33226.

Almost surely, 280064148 is an apocalyptic number.

It is an amenable number.

80064148 is a deficient number, since it is larger than the sum of its proper divisors (60497952).

80064148 is a wasteful number, since it uses less digits than its factorization.

80064148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64266 (or 64264 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 80064148 is about 8947.8571736478. The cubic root of 80064148 is about 431.0020761344.

The spelling of 80064148 in words is "eighty million, sixty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 313 626 1252 63949 127898 255796 20016037 40032074 80064148