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83525827 = 7115397211
BaseRepresentation
bin1001111101010…
…00000011000011
312211011112220011
410332220003003
5132340311302
612142125351
72032646350
oct476500303
9184145804
1083525827
114316a210
1223b80857
13143c6188
14b143627
1574ed5d7
hex4fa80c3

83525827 has 32 divisors (see below), whose sum is σ = 107702784. Its totient is φ = 62899200.

The previous prime is 83525807. The next prime is 83525839. The reversal of 83525827 is 72852538.

It is a de Polignac number, because none of the positive numbers 2k-83525827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83525827.

It is not an unprimeable number, because it can be changed into a prime (83525807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395752 + ... + 395962.

It is an arithmetic number, because the mean of its divisors is an integer number (3365712).

Almost surely, 283525827 is an apocalyptic number.

83525827 is a deficient number, since it is larger than the sum of its proper divisors (24176957).

83525827 is a wasteful number, since it uses less digits than its factorization.

With its successor (83525828) it forms an eRAP, since the sums of their prime factors are consecutive (379 and 380).

83525827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 134400, while the sum is 40.

The square root of 83525827 is about 9139.2465225532. The cubic root of 83525827 is about 437.1262911576.

Subtracting from 83525827 its reverse (72852538), we obtain a square (10673289 = 32672).

It can be divided in two parts, 835 and 25827, that added together give a palindrome (26662).

The spelling of 83525827 in words is "eighty-three million, five hundred twenty-five thousand, eight hundred twenty-seven".

Divisors: 1 7 11 53 77 97 211 371 583 679 1067 1477 2321 4081 5141 7469 11183 16247 20467 35987 56551 78281 123013 143269 225137 395857 861091 1084751 1575959 7593257 11932261 83525827