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42213301 = 133247177
BaseRepresentation
bin1010000100000…
…1111110110101
32221102122202121
42201001332311
541301311201
64104435541
71021543564
oct241017665
987378677
1042213301
1121912529
1212178bb1
1389900b0
14586bbdb
153a8c9a1
hex2841fb5

42213301 has 4 divisors (see below), whose sum is σ = 45460492. Its totient is φ = 38966112.

The previous prime is 42213277. The next prime is 42213317. The reversal of 42213301 is 10331224.

It is a happy number.

42213301 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.

It can be written as a sum of positive squares in 2 ways, for example, as 24354225 + 17859076 = 4935^2 + 4226^2 .

It is a cyclic number.

It is not a de Polignac number, because 42213301 - 215 = 42180533 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 (42213701) 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, 1623576 + ... + 1623601.

It is an arithmetic number, because the mean of its divisors is an integer number (11365123).

Almost surely, 242213301 is an apocalyptic number.

It is an amenable number.

42213301 is a deficient number, since it is larger than the sum of its proper divisors (3247191).

42213301 is a wasteful number, since it uses less digits than its factorization.

42213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247190.

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

The square root of 42213301 is about 6497.1763867083. The cubic root of 42213301 is about 348.1901155450.

Adding to 42213301 its reverse (10331224), we get a palindrome (52544525).

The spelling of 42213301 in words is "forty-two million, two hundred thirteen thousand, three hundred one".

Divisors: 1 13 3247177 42213301