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42427030 = 255380051
BaseRepresentation
bin1010000111011…
…0001010010110
32221211111221111
42201312022112
541330131110
64113205234
71023423652
oct241661226
987744844
1042427030
1121a49068
121226081a
138a36469
1458c5a62
153ad0e8a
hex2876296

42427030 has 16 divisors (see below), whose sum is σ = 77810544. Its totient is φ = 16650400.

The previous prime is 42427009. The next prime is 42427037. The reversal of 42427030 is 3072424.

It is a junction number, because it is equal to n+sod(n) for n = 42426992 and 42427010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42427037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39496 + ... + 40555.

It is an arithmetic number, because the mean of its divisors is an integer number (4863159).

Almost surely, 242427030 is an apocalyptic number.

42427030 is a deficient number, since it is larger than the sum of its proper divisors (35383514).

42427030 is a wasteful number, since it uses less digits than its factorization.

42427030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80111.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42427030 is about 6513.6034573806. The cubic root of 42427030 is about 348.7767638320.

Adding to 42427030 its reverse (3072424), we get a palindrome (45499454).

The spelling of 42427030 in words is "forty-two million, four hundred twenty-seven thousand, thirty".

Divisors: 1 2 5 10 53 106 265 530 80051 160102 400255 800510 4242703 8485406 21213515 42427030