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42124351 = 172145759
BaseRepresentation
bin1010000010110…
…0010000111111
32221021010202011
42200230100333
541240434401
64102512051
71021023343
oct240542077
987233664
1042124351
1121861715
1212135627
13895b769
145847623
153a71451
hex282c43f

42124351 has 6 divisors (see below), whose sum is σ = 44748320. Its totient is φ = 39646176.

The previous prime is 42124333. The next prime is 42124403. The reversal of 42124351 is 15342124.

It is not a de Polignac number, because 42124351 - 29 = 42123839 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 (42124451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72591 + ... + 73168.

Almost surely, 242124351 is an apocalyptic number.

42124351 is a deficient number, since it is larger than the sum of its proper divisors (2623969).

42124351 is a wasteful number, since it uses less digits than its factorization.

42124351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145793 (or 145776 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 42124351 is about 6490.3274955891. The cubic root of 42124351 is about 347.9453799642.

Adding to 42124351 its reverse (15342124), we get a palindrome (57466475).

The spelling of 42124351 in words is "forty-two million, one hundred twenty-four thousand, three hundred fifty-one".

Divisors: 1 17 289 145759 2477903 42124351