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83084371 = 312680141
BaseRepresentation
bin1001111001111…
…00010001010011
312210100010022221
410330330101103
5132232144441
612124441511
72026130326
oct474742123
9183303287
1083084371
1142998577
12239a9297
13142a0266
14b06a7bd
1574628d1
hex4f3c453

83084371 has 4 divisors (see below), whose sum is σ = 85764544. Its totient is φ = 80404200.

The previous prime is 83084369. The next prime is 83084381. The reversal of 83084371 is 17348038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83084371 - 21 = 83084369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83084381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340040 + ... + 1340101.

It is an arithmetic number, because the mean of its divisors is an integer number (21441136).

Almost surely, 283084371 is an apocalyptic number.

83084371 is a deficient number, since it is larger than the sum of its proper divisors (2680173).

83084371 is a wasteful number, since it uses less digits than its factorization.

83084371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680172.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 83084371 is about 9115.0628631952. The cubic root of 83084371 is about 436.3548212142.

The spelling of 83084371 in words is "eighty-three million, eighty-four thousand, three hundred seventy-one".

Divisors: 1 31 2680141 83084371