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97888975 = 5217230327
BaseRepresentation
bin1011101010110…
…10101011001111
320211012021102121
411311122223033
5200024421400
613414033411
72266020412
oct565325317
9224167377
1097888975
115028a488
1228948867
1317384992
14d001b79
1588d921a
hex5d5aacf

97888975 has 12 divisors (see below), whose sum is σ = 128523024. Its totient is φ = 73704320.

The previous prime is 97888961. The next prime is 97888981. The reversal of 97888975 is 57988879.

It is not a de Polignac number, because 97888975 - 29 = 97888463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114739 + ... + 115588.

It is an arithmetic number, because the mean of its divisors is an integer number (10710252).

Almost surely, 297888975 is an apocalyptic number.

97888975 is a deficient number, since it is larger than the sum of its proper divisors (30634049).

97888975 is a wasteful number, since it uses less digits than its factorization.

97888975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230354 (or 230349 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 61.

The square root of 97888975 is about 9893.8857381718. The cubic root of 97888975 is about 460.8694567184.

The spelling of 97888975 in words is "ninety-seven million, eight hundred eighty-eight thousand, nine hundred seventy-five".

Divisors: 1 5 17 25 85 425 230327 1151635 3915559 5758175 19577795 97888975