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743422873 = 3122812753
BaseRepresentation
bin101100010011111…
…011101110011001
31220210212210110111
4230103323232121
53010304012443
6201434044321
724264663424
oct5423735631
91823783414
10743422873
11351708676
12188b796a1
13bb033bbb
1470a3c9bb
15453ed69d
hex2c4fbb99

743422873 has 12 divisors (see below), whose sum is σ = 771191604. Its totient is φ = 716620800.

The previous prime is 743422871. The next prime is 743422877. The reversal of 743422873 is 378224347.

It can be written as a sum of positive squares in 2 ways, for example, as 610435849 + 132987024 = 24707^2 + 11532^2 .

It is not a de Polignac number, because 743422873 - 21 = 743422871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743422871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268665 + ... + 271417.

It is an arithmetic number, because the mean of its divisors is an integer number (64265967).

Almost surely, 2743422873 is an apocalyptic number.

It is an amenable number.

743422873 is a deficient number, since it is larger than the sum of its proper divisors (27768731).

743422873 is a wasteful number, since it uses less digits than its factorization.

743422873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3065 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The square root of 743422873 is about 27265.7820903784. The cubic root of 743422873 is about 905.8966208244.

The spelling of 743422873 in words is "seven hundred forty-three million, four hundred twenty-two thousand, eight hundred seventy-three".

Divisors: 1 31 281 961 2753 8711 85343 270041 773593 2645633 23981383 743422873