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745345273 = 41434191009
BaseRepresentation
bin101100011011010…
…001000011111001
31220221111110111111
4230123101003321
53011302022043
6201543200321
724320221201
oct5433210371
91827443444
10745345273
11352800a32
121897460a1
13bb557c0a
1470dbd401
154567d09d
hex2c6d10f9

745345273 has 16 divisors (see below), whose sum is σ = 783921600. Its totient is φ = 707857920.

The previous prime is 745345219. The next prime is 745345283. The reversal of 745345273 is 372543547.

745345273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 745345273 - 217 = 745214201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745345283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738193 + ... + 739201.

It is an arithmetic number, because the mean of its divisors is an integer number (48995100).

Almost surely, 2745345273 is an apocalyptic number.

It is an amenable number.

745345273 is a deficient number, since it is larger than the sum of its proper divisors (38576327).

745345273 is a wasteful number, since it uses less digits than its factorization.

745345273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its digits is 352800, while the sum is 40.

The square root of 745345273 is about 27301.0123072387. The cubic root of 745345273 is about 906.6767944340.

The spelling of 745345273 in words is "seven hundred forty-five million, three hundred forty-five thousand, two hundred seventy-three".

Divisors: 1 41 43 419 1009 1763 17179 18017 41369 43387 422771 738697 1778867 17333611 18179153 745345273