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4252213 = 7661919
BaseRepresentation
bin10000001110001000110101
322000000221101
4100032020311
52042032323
6231050101
751100060
oct20161065
98000841
104252213
112444829
121510931
13b5b604
147c98d7
1558edad
hex40e235

4252213 has 8 divisors (see below), whose sum is σ = 4872320. Its totient is φ = 3635280.

The previous prime is 4252211. The next prime is 4252229. The reversal of 4252213 is 3122524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4252213 - 21 = 4252211 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 (4252211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4168 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (609040).

Almost surely, 24252213 is an apocalyptic number.

It is an amenable number.

4252213 is a deficient number, since it is larger than the sum of its proper divisors (620107).

4252213 is an equidigital number, since it uses as much as digits as its factorization.

4252213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

The product of its digits is 480, while the sum is 19.

The square root of 4252213 is about 2062.0894742954. The cubic root of 4252213 is about 162.0086999341.

Adding to 4252213 its reverse (3122524), we get a palindrome (7374737).

It can be divided in two parts, 4252 and 213, that added together give a triangular number (4465 = T94).

The spelling of 4252213 in words is "four million, two hundred fifty-two thousand, two hundred thirteen".

Divisors: 1 7 661 919 4627 6433 607459 4252213