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87889596 = 2237324133
BaseRepresentation
bin1010011110100…
…01011010111100
320010101020212020
411033101122330
5134444431341
612415440140
72115022614
oct517213274
9203336766
1087889596
114567a833
1225526050
13152934a2
14b95ba44
157ab1566
hex53d16bc

87889596 has 12 divisors (see below), whose sum is σ = 205075752. Its totient is φ = 29296528.

The previous prime is 87889589. The next prime is 87889651. The reversal of 87889596 is 69598878.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3662055 + ... + 3662078.

It is an arithmetic number, because the mean of its divisors is an integer number (17089646).

Almost surely, 287889596 is an apocalyptic number.

It is an amenable number.

87889596 is an abundant number, since it is smaller than the sum of its proper divisors (117186156).

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

87889596 is a wasteful number, since it uses less digits than its factorization.

87889596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324140 (or 7324138 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The square root of 87889596 is about 9374.9451198394. The cubic root of 87889596 is about 444.6099279229.

The spelling of 87889596 in words is "eighty-seven million, eight hundred eighty-nine thousand, five hundred ninety-six".

Divisors: 1 2 3 4 6 12 7324133 14648266 21972399 29296532 43944798 87889596