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42025162 = 221012581
BaseRepresentation
bin1010000001010…
…0000011001010
32221002002200111
42200110003022
541224301122
64100424534
71020131224
oct240240312
987062614
1042025162
11217a4143
12120a814a
13892557a
14581d414
153a51d77
hex28140ca

42025162 has 4 divisors (see below), whose sum is σ = 63037746. Its totient is φ = 21012580.

The previous prime is 42025129. The next prime is 42025187. The reversal of 42025162 is 26152024.

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., 41873841 + 151321 = 6471^2 + 389^2 .

It is a super-2 number, since 2×420251622 = 3532228482252488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10506289 + ... + 10506292.

Almost surely, 242025162 is an apocalyptic number.

42025162 is a deficient number, since it is larger than the sum of its proper divisors (21012584).

42025162 is a wasteful number, since it uses less digits than its factorization.

42025162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012583.

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

The square root of 42025162 is about 6482.6816981863. The cubic root of 42025162 is about 347.6720663314.

Adding to 42025162 its reverse (26152024), we get a palindrome (68177186).

The spelling of 42025162 in words is "forty-two million, twenty-five thousand, one hundred sixty-two".

Divisors: 1 2 21012581 42025162