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83563068 = 2236963589
BaseRepresentation
bin1001111101100…
…01001000111100
312211020102222110
410332301020330
5132343004233
612143014020
72033163051
oct476611074
9184212873
1083563068
1143195196
1223b9a310
131440a104
14b153028
157509663
hex4fb123c

83563068 has 12 divisors (see below), whose sum is σ = 194980520. Its totient is φ = 27854352.

The previous prime is 83563063. The next prime is 83563069. The reversal of 83563068 is 86036538.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83563063) 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, 3481783 + ... + 3481806.

Almost surely, 283563068 is an apocalyptic number.

It is an amenable number.

83563068 is an abundant number, since it is smaller than the sum of its proper divisors (111417452).

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

83563068 is a wasteful number, since it uses less digits than its factorization.

83563068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963596 (or 6963594 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 83563068 is about 9141.2837172905. The cubic root of 83563068 is about 437.1912475190.

It can be divided in two parts, 835 and 63068, that added together give a triangular number (63903 = T357).

The spelling of 83563068 in words is "eighty-three million, five hundred sixty-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 6963589 13927178 20890767 27854356 41781534 83563068