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743313427 = 1087683821
BaseRepresentation
bin101100010011100…
…001000000010011
31220210200020022221
4230103201000103
53010242012202
6201431441511
724264026353
oct5423410023
91823606287
10743313427
1135164341a
12188b26297
13bacc613c
1470a10b63
15453cb037
hex2c4e1013

743313427 has 4 divisors (see below), whose sum is σ = 743998336. Its totient is φ = 742628520.

The previous prime is 743313419. The next prime is 743313433. The reversal of 743313427 is 724313347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724313347 = 1528747381.

It is a cyclic number.

It is not a de Polignac number, because 743313427 - 23 = 743313419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 743313392 and 743313401.

It is not an unprimeable number, because it can be changed into a prime (743313127) 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 3 ways as a sum of consecutive naturals, for example, 340824 + ... + 342997.

It is an arithmetic number, because the mean of its divisors is an integer number (185999584).

Almost surely, 2743313427 is an apocalyptic number.

743313427 is a deficient number, since it is larger than the sum of its proper divisors (684909).

743313427 is a wasteful number, since it uses less digits than its factorization.

743313427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684908.

The product of its digits is 42336, while the sum is 34.

The square root of 743313427 is about 27263.7749954037. The cubic root of 743313427 is about 905.8521635664.

The spelling of 743313427 in words is "seven hundred forty-three million, three hundred thirteen thousand, four hundred twenty-seven".

Divisors: 1 1087 683821 743313427