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83330217 = 329919343
BaseRepresentation
bin1001111011110…
…00010010101001
312210210121120100
410331320102221
5132313031332
612134020013
72031203145
oct475702251
9183717510
1083330217
1143046253
1223aa7609
1314358129
14b0d2225
1574b067c
hex4f784a9

83330217 has 12 divisors (see below), whose sum is σ = 120500224. Its totient is φ = 55491480.

The previous prime is 83330213. The next prime is 83330231. The reversal of 83330217 is 71203338.

It is not a de Polignac number, because 83330217 - 22 = 83330213 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 (83330213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4248 + ... + 13590.

Almost surely, 283330217 is an apocalyptic number.

It is an amenable number.

83330217 is a deficient number, since it is larger than the sum of its proper divisors (37170007).

83330217 is a wasteful number, since it uses less digits than its factorization.

83330217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340 (or 10337 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 83330217 is about 9128.5386015506. The cubic root of 83330217 is about 436.7847875644.

The spelling of 83330217 in words is "eighty-three million, three hundred thirty thousand, two hundred seventeen".

Divisors: 1 3 9 991 2973 8919 9343 28029 84087 9258913 27776739 83330217