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42230113 = 137308249
BaseRepresentation
bin1010000100011…
…0000101100001
32221110111211021
42201012011201
541302330423
64105045441
71021643602
oct241060541
987414737
1042230113
1121924122
1212186881
138997943
145873da9
153a9295d
hex2846161

42230113 has 4 divisors (see below), whose sum is σ = 42538500. Its totient is φ = 41921728.

The previous prime is 42230107. The next prime is 42230131. The reversal of 42230113 is 31103224.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12723489 + 29506624 = 3567^2 + 5432^2 .

It is a cyclic number.

It is not a de Polignac number, because 42230113 - 29 = 42229601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42230143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153988 + ... + 154261.

It is an arithmetic number, because the mean of its divisors is an integer number (10634625).

Almost surely, 242230113 is an apocalyptic number.

It is an amenable number.

42230113 is a deficient number, since it is larger than the sum of its proper divisors (308387).

42230113 is a wasteful number, since it uses less digits than its factorization.

42230113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308386.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 42230113 is about 6498.4700507119. The cubic root of 42230113 is about 348.2363331679.

Adding to 42230113 its reverse (31103224), we get a palindrome (73333337).

The spelling of 42230113 in words is "forty-two million, two hundred thirty thousand, one hundred thirteen".

Divisors: 1 137 308249 42230113