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42535201 = 46379173
BaseRepresentation
bin1010001001000…
…0100100100001
32222001000022211
42202100210201
541342111301
64115402121
71024354222
oct242204441
988030284
1042535201
1122012365
12122b3341
138a73777
145913249
153b03051
hex2890921

42535201 has 4 divisors (see below), whose sum is σ = 42549012. Its totient is φ = 42521392.

The previous prime is 42535187. The next prime is 42535223. The reversal of 42535201 is 10253524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4835601 + 37699600 = 2199^2 + 6140^2 .

It is a cyclic number.

It is not a de Polignac number, because 42535201 - 25 = 42535169 is a prime.

It is a super-2 number, since 2×425352012 = 3618486648220802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42535261) 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, 51 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (10637253).

Almost surely, 242535201 is an apocalyptic number.

It is an amenable number.

42535201 is a deficient number, since it is larger than the sum of its proper divisors (13811).

42535201 is an equidigital number, since it uses as much as digits as its factorization.

42535201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13810.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42535201 is about 6521.9016398593. The cubic root of 42535201 is about 349.0729234074.

Adding to 42535201 its reverse (10253524), we get a palindrome (52788725).

The spelling of 42535201 in words is "forty-two million, five hundred thirty-five thousand, two hundred one".

Divisors: 1 4637 9173 42535201