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88564028 = 2272923761
BaseRepresentation
bin1010100011101…
…10000100111100
320011122112000012
411101312010330
5140133022103
612442122352
72123532110
oct521660474
9204575005
1088564028
1145aa0513
12257b03b8
131546b467
14ba95740
157b962d8
hex547613c

88564028 has 36 divisors (see below), whose sum is σ = 183495312. Its totient is φ = 36637440.

The previous prime is 88563983. The next prime is 88564037. The reversal of 88564028 is 82046588.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21668 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (5097092).

Almost surely, 288564028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88564028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91747656).

88564028 is an abundant number, since it is smaller than the sum of its proper divisors (94931284).

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

88564028 is a wasteful number, since it uses less digits than its factorization.

88564028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3799 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 88564028 is about 9410.8462956314. The cubic root of 88564028 is about 445.7442882539.

The spelling of 88564028 in words is "eighty-eight million, five hundred sixty-four thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 841 1682 3364 3761 5887 7522 11774 15044 23548 26327 52654 105308 109069 218138 436276 763483 1526966 3053932 3163001 6326002 12652004 22141007 44282014 88564028