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42430774 = 2199910613
BaseRepresentation
bin1010000111011…
…1000100110110
32221211201002011
42201313010312
541330241044
64113234434
71023440611
oct241670466
987751064
1042430774
1121a50961
1212262a1a
138a38089
1458c7178
153ad2134
hex2877136

42430774 has 8 divisors (see below), whose sum is σ = 63684000. Its totient is φ = 21202776.

The previous prime is 42430771. The next prime is 42430789. The reversal of 42430774 is 47703424.

42430774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1309 + ... + 9304.

It is an arithmetic number, because the mean of its divisors is an integer number (7960500).

Almost surely, 242430774 is an apocalyptic number.

42430774 is a deficient number, since it is larger than the sum of its proper divisors (21253226).

42430774 is a wasteful number, since it uses less digits than its factorization.

42430774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 42430774 is about 6513.8908495614. The cubic root of 42430774 is about 348.7870228721.

The spelling of 42430774 in words is "forty-two million, four hundred thirty thousand, seven hundred seventy-four".

Divisors: 1 2 1999 3998 10613 21226 21215387 42430774