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108888093 = 3276915733
BaseRepresentation
bin1100111110110…
…00000000011101
321120220002101100
412133120000131
5210333404333
614445503313
72461350666
oct637300035
9246802340
10108888093
1156512266
1230571b39
1319736232
141066636d
15985d213
hex67d801d

108888093 has 12 divisors (see below), whose sum is σ = 157497340. Its totient is φ = 72493056.

The previous prime is 108888079. The next prime is 108888113. The reversal of 108888093 is 390888801.

It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 83667609 = 5022^2 + 9147^2 .

It is not a de Polignac number, because 108888093 - 25 = 108888061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108888293) by changing a digit.

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, 946 + ... + 14787.

Almost surely, 2108888093 is an apocalyptic number.

It is an amenable number.

108888093 is a deficient number, since it is larger than the sum of its proper divisors (48609247).

108888093 is a wasteful number, since it uses less digits than its factorization.

108888093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16508 (or 16505 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 108888093 is about 10434.9457593224. The cubic root of 108888093 is about 477.5220870059.

It can be divided in two parts, 10888 and 8093, that added together give a palindrome (18981).

The spelling of 108888093 in words is "one hundred eight million, eight hundred eighty-eight thousand, ninety-three".

Divisors: 1 3 9 769 2307 6921 15733 47199 141597 12098677 36296031 108888093