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214320452 = 22167320839
BaseRepresentation
bin11001100011001…
…00010101000100
3112221021121101112
430301210111010
5414331223302
633133344152
75211456653
oct1461442504
9487247345
10214320452
11aaa84145
125b938058
133552c548
142066d19a
1513c37552
hexcc64544

214320452 has 12 divisors (see below), whose sum is σ = 377307840. Its totient is φ = 106518216.

The previous prime is 214320439. The next prime is 214320467. The reversal of 214320452 is 254023412.

It is a happy number.

It is a super-3 number, since 3×2143204523 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159752 + ... + 161087.

It is an arithmetic number, because the mean of its divisors is an integer number (31442320).

Almost surely, 2214320452 is an apocalyptic number.

It is an amenable number.

214320452 is a deficient number, since it is larger than the sum of its proper divisors (162987388).

214320452 is a wasteful number, since it uses less digits than its factorization.

214320452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321010 (or 321008 counting only the distinct ones).

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

The square root of 214320452 is about 14639.6875649721. The cubic root of 214320452 is about 598.4408147080.

Adding to 214320452 its reverse (254023412), we get a palindrome (468343864).

The spelling of 214320452 in words is "two hundred fourteen million, three hundred twenty thousand, four hundred fifty-two".

Divisors: 1 2 4 167 334 668 320839 641678 1283356 53580113 107160226 214320452