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42124514 = 221062257
BaseRepresentation
bin1010000010110…
…0010011100010
32221021010222012
42200230103202
541240441024
64102512522
71021023665
oct240542342
987233865
1042124514
1121861853
1212135742
13895b863
1458476dc
153a7150e
hex282c4e2

42124514 has 4 divisors (see below), whose sum is σ = 63186774. Its totient is φ = 21062256.

The previous prime is 42124493. The next prime is 42124531. The reversal of 42124514 is 41542124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29343889 + 12780625 = 5417^2 + 3575^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42124514.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10531127 + ... + 10531130.

Almost surely, 242124514 is an apocalyptic number.

42124514 is a deficient number, since it is larger than the sum of its proper divisors (21062260).

42124514 is a wasteful number, since it uses less digits than its factorization.

42124514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062259.

The product of its digits is 1280, while the sum is 23.

The square root of 42124514 is about 6490.3400527245. The cubic root of 42124514 is about 347.9458287547.

Adding to 42124514 its reverse (41542124), we get a palindrome (83666638).

The spelling of 42124514 in words is "forty-two million, one hundred twenty-four thousand, five hundred fourteen".

Divisors: 1 2 21062257 42124514