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742104943 = 4243174901
BaseRepresentation
bin101100001110111…
…001111101101111
31220201101211121021
4230032321331233
53004434324233
6201345515011
724250534156
oct5416717557
91821354537
10742104943
11350998478
12188642a67
13ba992068
14707b859d
154523ce2d
hex2c3b9f6f

742104943 has 4 divisors (see below), whose sum is σ = 742284088. Its totient is φ = 741925800.

The previous prime is 742104941. The next prime is 742104953. The reversal of 742104943 is 349401247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742104943 - 21 = 742104941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742104899 and 742104908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742104941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83208 + ... + 91693.

It is an arithmetic number, because the mean of its divisors is an integer number (185571022).

Almost surely, 2742104943 is an apocalyptic number.

742104943 is a deficient number, since it is larger than the sum of its proper divisors (179145).

742104943 is a wasteful number, since it uses less digits than its factorization.

742104943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179144.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 742104943 is about 27241.6031650122. The cubic root of 742104943 is about 905.3609837564.

The spelling of 742104943 in words is "seven hundred forty-two million, one hundred four thousand, nine hundred forty-three".

Divisors: 1 4243 174901 742104943