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42232522 = 2174093037
BaseRepresentation
bin1010000100011…
…0101011001010
32221110122010111
42201012223022
541302420042
64105104534
71021653613
oct241065312
987418114
1042232522
1121925a12
121218814a
138998a77
145874c0a
153a93517
hex2846aca

42232522 has 16 divisors (see below), whose sum is σ = 67261320. Its totient is φ = 19819008.

The previous prime is 42232499. The next prime is 42232523. The reversal of 42232522 is 22523224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40717161 + 1515361 = 6381^2 + 1231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42232493 and 42232502.

It is not an unprimeable number, because it can be changed into a prime (42232523) 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 7 ways as a sum of consecutive naturals, for example, 12388 + ... + 15424.

Almost surely, 242232522 is an apocalyptic number.

42232522 is a deficient number, since it is larger than the sum of its proper divisors (25028798).

42232522 is a wasteful number, since it uses less digits than its factorization.

42232522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465.

The product of its digits is 1920, while the sum is 22.

The square root of 42232522 is about 6498.6553993884. The cubic root of 42232522 is about 348.2429547097.

Adding to 42232522 its reverse (22523224), we get a palindrome (64755746).

The spelling of 42232522 in words is "forty-two million, two hundred thirty-two thousand, five hundred twenty-two".

Divisors: 1 2 17 34 409 818 3037 6074 6953 13906 51629 103258 1242133 2484266 21116261 42232522