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42630342 = 2325128307
BaseRepresentation
bin1010001010011…
…1110011000110
32222012211211120
42202213303012
541403132332
64121414410
71025231466
oct242476306
988184746
1042630342
1122077897
121233a406
138aa7b71
145939ba6
153b2132c
hex28a7cc6

42630342 has 16 divisors (see below), whose sum is σ = 85603392. Its totient is φ = 14153000.

The previous prime is 42630307. The next prime is 42630347. The reversal of 42630342 is 24303624.

It is a happy number.

42630342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42630347) 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 7 ways as a sum of consecutive naturals, for example, 12648 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (5350212).

Almost surely, 242630342 is an apocalyptic number.

42630342 is an abundant number, since it is smaller than the sum of its proper divisors (42973050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42630342 is a wasteful number, since it uses less digits than its factorization.

42630342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28563.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42630342 is about 6529.1915272873. The cubic root of 42630342 is about 349.3329936173.

Adding to 42630342 its reverse (24303624), we get a palindrome (66933966).

The spelling of 42630342 in words is "forty-two million, six hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 3 6 251 502 753 1506 28307 56614 84921 169842 7105057 14210114 21315171 42630342