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83121414 = 2313853569
BaseRepresentation
bin1001111010001…
…01010100000110
312210102000010220
410331011110012
5132234341124
612125325210
72026343325
oct475052406
9183360126
1083121414
1142a13392
1223a06806
13142b408c
14b07a0bc
15746d879
hex4f45506

83121414 has 8 divisors (see below), whose sum is σ = 166242840. Its totient is φ = 27707136.

The previous prime is 83121407. The next prime is 83121443. The reversal of 83121414 is 41412138.

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

83121414 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6926779 + ... + 6926790.

It is an arithmetic number, because the mean of its divisors is an integer number (20780355).

Almost surely, 283121414 is an apocalyptic number.

83121414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83121414 is a wasteful number, since it uses less digits than its factorization.

83121414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13853574.

The product of its digits is 768, while the sum is 24.

The square root of 83121414 is about 9117.0946029972. The cubic root of 83121414 is about 436.4196608860.

The spelling of 83121414 in words is "eighty-three million, one hundred twenty-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 13853569 27707138 41560707 83121414