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742704345 = 32516504541
BaseRepresentation
bin101100010001001…
…100010011011001
31220202112021211100
4230101030103121
53010113014340
6201410422013
724255611535
oct5421142331
91822467740
10742704345
11351267849
12188891909
13bab41b36
14708d2bc5
154530a830
hex2c44c4d9

742704345 has 12 divisors (see below), whose sum is σ = 1287354276. Its totient is φ = 396108960.

The previous prime is 742704307. The next prime is 742704353. The reversal of 742704345 is 543407247.

It can be written as a sum of positive squares in 2 ways, for example, as 371294361 + 371409984 = 19269^2 + 19272^2 .

It is not a de Polignac number, because 742704345 - 211 = 742702297 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8252226 + ... + 8252315.

It is an arithmetic number, because the mean of its divisors is an integer number (107279523).

Almost surely, 2742704345 is an apocalyptic number.

It is an amenable number.

742704345 is a deficient number, since it is larger than the sum of its proper divisors (544649931).

742704345 is a wasteful number, since it uses less digits than its factorization.

742704345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16504552 (or 16504549 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 742704345 is about 27252.6025362717. The cubic root of 742704345 is about 905.6046730746.

The spelling of 742704345 in words is "seven hundred forty-two million, seven hundred four thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 16504541 49513623 82522705 148540869 247568115 742704345