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83653068 = 2236971089
BaseRepresentation
bin1001111110001…
…11000111001100
312211102000102210
410333013013030
5132403344233
612144550420
72034016332
oct477070714
9184360383
1083653068
1143246874
1224022410
131443c075
14b177b52
157526163
hex4fc71cc

83653068 has 12 divisors (see below), whose sum is σ = 195190520. Its totient is φ = 27884352.

The previous prime is 83653057. The next prime is 83653069. The reversal of 83653068 is 86035638.

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

It is not an unprimeable number, because it can be changed into a prime (83653069) 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, 3485533 + ... + 3485556.

Almost surely, 283653068 is an apocalyptic number.

It is an amenable number.

83653068 is an abundant number, since it is smaller than the sum of its proper divisors (111537452).

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

83653068 is a wasteful number, since it uses less digits than its factorization.

83653068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971096 (or 6971094 counting only the distinct ones).

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

The square root of 83653068 is about 9146.2051146910. The cubic root of 83653068 is about 437.3481473537.

The spelling of 83653068 in words is "eighty-three million, six hundred fifty-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 6971089 13942178 20913267 27884356 41826534 83653068