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42033625 = 531632063
BaseRepresentation
bin1010000001011…
…0000111011001
32221002112021221
42200112013121
541230034000
64100532041
71020165004
oct240260731
987075257
1042033625
11217aa537
12120b1021
13892938a
14582253b
153a5461a
hex28161d9

42033625 has 16 divisors (see below), whose sum is σ = 52805376. Its totient is φ = 33404400.

The previous prime is 42033623. The next prime is 42033631. The reversal of 42033625 is 52633024.

It is a happy number.

It is not a de Polignac number, because 42033625 - 21 = 42033623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42033625.

It is not an unprimeable number, because it can be changed into a prime (42033623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19344 + ... + 21406.

It is an arithmetic number, because the mean of its divisors is an integer number (3300336).

Almost surely, 242033625 is an apocalyptic number.

It is an amenable number.

42033625 is a deficient number, since it is larger than the sum of its proper divisors (10771751).

42033625 is a wasteful number, since it uses less digits than its factorization.

42033625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 42033625 is about 6483.3344044558. The cubic root of 42033625 is about 347.6954027571.

Adding to 42033625 its reverse (52633024), we get a palindrome (94666649).

The spelling of 42033625 in words is "forty-two million, thirty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 125 163 815 2063 4075 10315 20375 51575 257875 336269 1681345 8406725 42033625