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42050743 = 719421751
BaseRepresentation
bin1010000001101…
…0010010110111
32221010101202221
42200122102313
541231110433
64101143211
71020265630
oct240322267
987111687
1042050743
1121811389
12120bab07
1389340c7
145828887
153a5972d
hex281a4b7

42050743 has 16 divisors (see below), whose sum is σ = 50775040. Its totient is φ = 34020000.

The previous prime is 42050737. The next prime is 42050753. The reversal of 42050743 is 34705024.

It is not a de Polignac number, because 42050743 - 221 = 39953591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55618 + ... + 56368.

It is an arithmetic number, because the mean of its divisors is an integer number (3173440).

Almost surely, 242050743 is an apocalyptic number.

42050743 is a deficient number, since it is larger than the sum of its proper divisors (8724297).

42050743 is a wasteful number, since it uses less digits than its factorization.

42050743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42050743 is about 6484.6544241000. The cubic root of 42050743 is about 347.7425954679.

Adding to 42050743 its reverse (34705024), we get a palindrome (76755767).

The spelling of 42050743 in words is "forty-two million, fifty thousand, seven hundred forty-three".

Divisors: 1 7 19 133 421 751 2947 5257 7999 14269 55993 99883 316171 2213197 6007249 42050743