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42024501 = 342771873
BaseRepresentation
bin1010000001001…
…1111000110101
32221002001210000
42200103320311
541224241001
64100421513
71020126261
oct240237065
987061700
1042024501
11217a36a2
12120a7899
13892518c
14581d0a1
153a51a86
hex2813e35

42024501 has 20 divisors (see below), whose sum is σ = 63037612. Its totient is φ = 27900288.

The previous prime is 42024491. The next prime is 42024503. The reversal of 42024501 is 10542024.

42024501 is a `hidden beast` number, since 420 + 245 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3572100 + 38452401 = 1890^2 + 6201^2 .

It is not a de Polignac number, because 42024501 - 210 = 42023477 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 (42024503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21501 + ... + 23373.

Almost surely, 242024501 is an apocalyptic number.

It is an amenable number.

42024501 is a deficient number, since it is larger than the sum of its proper divisors (21013111).

42024501 is a wasteful number, since it uses less digits than its factorization.

42024501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 42024501 is about 6482.6307159979. The cubic root of 42024501 is about 347.6702435152.

Adding to 42024501 its reverse (10542024), we get a palindrome (52566525).

The spelling of 42024501 in words is "forty-two million, twenty-four thousand, five hundred one".

Divisors: 1 3 9 27 81 277 831 1873 2493 5619 7479 16857 22437 50571 151713 518821 1556463 4669389 14008167 42024501