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42201301 = 78753623
BaseRepresentation
bin1010000011111…
…1000011010101
32221102001022011
42200333003111
541300420201
64104304221
71021463602
oct240770325
987361264
1042201301
112190450a
1212172071
1389877ac
1458676a9
153a89151
hex283f0d5

42201301 has 4 divisors (see below), whose sum is σ = 42255712. Its totient is φ = 42146892.

The previous prime is 42201287. The next prime is 42201307. The reversal of 42201301 is 10310224.

42201301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42201301 - 221 = 40104149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26025 + ... + 27598.

It is an arithmetic number, because the mean of its divisors is an integer number (10563928).

Almost surely, 242201301 is an apocalyptic number.

It is an amenable number.

42201301 is a deficient number, since it is larger than the sum of its proper divisors (54411).

42201301 is an equidigital number, since it uses as much as digits as its factorization.

42201301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54410.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42201301 is about 6496.2528429857. The cubic root of 42201301 is about 348.1571190149.

Adding to 42201301 its reverse (10310224), we get a palindrome (52511525).

The spelling of 42201301 in words is "forty-two million, two hundred one thousand, three hundred one".

Divisors: 1 787 53623 42201301