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673057349 = 19231540177
BaseRepresentation
bin101000000111100…
…000101001000101
31201220110212002222
4220013200221011
52334300313344
6150441542125
722451615216
oct5007405105
91656425088
10673057349
11315a17a48
121694a4945
13a9597bb3
146556340d
153e14e5ee
hex281e0a45

673057349 has 8 divisors (see below), whose sum is σ = 739285440. Its totient is φ = 609909696.

The previous prime is 673057339. The next prime is 673057367. The reversal of 673057349 is 943750376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673057349 - 224 = 656280133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673057339) 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 in 7 ways as a sum of consecutive naturals, for example, 769652 + ... + 770525.

It is an arithmetic number, because the mean of its divisors is an integer number (92410680).

Almost surely, 2673057349 is an apocalyptic number.

It is an amenable number.

673057349 is a deficient number, since it is larger than the sum of its proper divisors (66228091).

673057349 is a wasteful number, since it uses less digits than its factorization.

673057349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540219.

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 673057349 is about 25943.3488393461. The cubic root of 673057349 is about 876.3629801215.

The spelling of 673057349 in words is "six hundred seventy-three million, fifty-seven thousand, three hundred forty-nine".

Divisors: 1 19 23 437 1540177 29263363 35424071 673057349