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452340212 = 22397443643
BaseRepresentation
bin11010111101100…
…010100111110100
31011112011021010012
4122331202213310
51411244341322
6112515115352
714131554062
oct3275424764
91145137105
10452340212
11212374995
121075a2b58
1372938c3c
144410b032
1529aa1ae2
hex1af629f4

452340212 has 24 divisors (see below), whose sum is σ = 796617696. Its totient is φ = 224741088.

The previous prime is 452340209. The next prime is 452340227. The reversal of 452340212 is 212043254.

It is a happy number.

It is a super-2 number, since 2×4523402122 = 409223334784409888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703163 + ... + 703805.

It is an arithmetic number, because the mean of its divisors is an integer number (33192404).

Almost surely, 2452340212 is an apocalyptic number.

It is an amenable number.

452340212 is a deficient number, since it is larger than the sum of its proper divisors (344277484).

452340212 is a wasteful number, since it uses less digits than its factorization.

452340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 452340212 is about 21268.2912336652. The cubic root of 452340212 is about 767.6355262940.

Adding to 452340212 its reverse (212043254), we get a palindrome (664383466).

The spelling of 452340212 in words is "four hundred fifty-two million, three hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 397 443 643 794 886 1286 1588 1772 2572 175871 255271 284849 351742 510542 569698 703484 1021084 1139396 113085053 226170106 452340212