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2212350397 = 15591419083
BaseRepresentation
bin1000001111011101…
…1100100110111101
312201011221001012121
42003313130212331
514012330203042
61003310202541
7105552445105
oct20367344675
95634831177
102212350397
11a358a5664
12518ab3451
13293466c9a
1416db74205
15ce35b367
hex83ddc9bd

2212350397 has 4 divisors (see below), whose sum is σ = 2213771040. Its totient is φ = 2210929756.

The previous prime is 2212350383. The next prime is 2212350407. The reversal of 2212350397 is 7930532122.

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 2212350397 - 211 = 2212348349 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 (2212350307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707983 + ... + 711100.

It is an arithmetic number, because the mean of its divisors is an integer number (553442760).

Almost surely, 22212350397 is an apocalyptic number.

It is an amenable number.

2212350397 is a deficient number, since it is larger than the sum of its proper divisors (1420643).

2212350397 is a wasteful number, since it uses less digits than its factorization.

2212350397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420642.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 2212350397 is about 47035.6290167358. The cubic root of 2212350397 is about 1303.0206674858.

The spelling of 2212350397 in words is "two billion, two hundred twelve million, three hundred fifty thousand, three hundred ninety-seven".

Divisors: 1 1559 1419083 2212350397