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729466044 = 22360788837
BaseRepresentation
bin101011011110101…
…100010010111100
31212211121201021220
4223132230102330
52443220403134
6200214553340
724035234106
oct5336542274
91784551256
10729466044
113448456aa
12184368850
13b8188318
146cc48576
1544093149
hex2b7ac4bc

729466044 has 12 divisors (see below), whose sum is σ = 1702087464. Its totient is φ = 243155344.

The previous prime is 729466043. The next prime is 729466057. The reversal of 729466044 is 440664927.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 729465987 and 729466005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729466043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30394407 + ... + 30394430.

It is an arithmetic number, because the mean of its divisors is an integer number (141840622).

Almost surely, 2729466044 is an apocalyptic number.

It is an amenable number.

729466044 is an abundant number, since it is smaller than the sum of its proper divisors (972621420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729466044 is a wasteful number, since it uses less digits than its factorization.

729466044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60788844 (or 60788842 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 729466044 is about 27008.6290655413. The cubic root of 729466044 is about 900.1917467994.

The spelling of 729466044 in words is "seven hundred twenty-nine million, four hundred sixty-six thousand, forty-four".

Divisors: 1 2 3 4 6 12 60788837 121577674 182366511 243155348 364733022 729466044