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42070502 = 279266269
BaseRepresentation
bin1010000001111…
…1000111100110
32221011101212202
42200133013212
541232224002
64101414502
71020410345
oct240370746
987141782
1042070502
1121825211
121210a432
1389400b6
145831b5c
153a60502
hex281f1e6

42070502 has 8 divisors (see below), whose sum is σ = 63904800. Its totient is φ = 20768904.

The previous prime is 42070493. The next prime is 42070507. The reversal of 42070502 is 20507024.

42070502 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 (42070507) 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, 132977 + ... + 133292.

It is an arithmetic number, because the mean of its divisors is an integer number (7988100).

Almost surely, 242070502 is an apocalyptic number.

42070502 is a deficient number, since it is larger than the sum of its proper divisors (21834298).

42070502 is a wasteful number, since it uses less digits than its factorization.

42070502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266350.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 42070502 is about 6486.1777650632. The cubic root of 42070502 is about 347.7970532455.

Adding to 42070502 its reverse (20507024), we get a palindrome (62577526).

The spelling of 42070502 in words is "forty-two million, seventy thousand, five hundred two".

Divisors: 1 2 79 158 266269 532538 21035251 42070502