Search a number
-
+
83000208 = 2431991009
BaseRepresentation
bin1001111001001…
…11101110010000
312210011211212210
410330213232100
5132222001313
612122552120
72025330054
oct474475620
9183154783
1083000208
1142940315
1223968640
1314270b65
14b047c64
1574479c3
hex4f27b90

83000208 has 40 divisors (see below), whose sum is σ = 225704800. Its totient is φ = 26210304.

The previous prime is 83000179. The next prime is 83000231. The reversal of 83000208 is 80200038.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44593 + ... + 46416.

It is an arithmetic number, because the mean of its divisors is an integer number (5642620).

Almost surely, 283000208 is an apocalyptic number.

It is an amenable number.

83000208 is an abundant number, since it is smaller than the sum of its proper divisors (142704592).

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

83000208 is a wasteful number, since it uses less digits than its factorization.

83000208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91039 (or 91033 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 83000208 is about 9110.4449946202. Note that the first 3 decimals coincide. The cubic root of 83000208 is about 436.2074315270.

The spelling of 83000208 in words is "eighty-three million, two hundred eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 91009 182018 273027 364036 546054 728072 1092108 1456144 1729171 2184216 3458342 4368432 5187513 6916684 10375026 13833368 20750052 27666736 41500104 83000208