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108444289 = 1311674957
BaseRepresentation
bin1100111011010…
…11101010000001
321120001112121011
412131223222001
5210230204124
614432200521
72454522052
oct635535201
9246045534
10108444289
1156239888
1230399141
131960c225
141058c729
1597c1994
hex676ba81

108444289 has 8 divisors (see below), whose sum is σ = 109948608. Its totient is φ = 106950480.

The previous prime is 108444283. The next prime is 108444313. The reversal of 108444289 is 982444801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108444289 - 211 = 108442241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108444283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19399 + ... + 24355.

It is an arithmetic number, because the mean of its divisors is an integer number (13743576).

Almost surely, 2108444289 is an apocalyptic number.

It is an amenable number.

108444289 is a deficient number, since it is larger than the sum of its proper divisors (1504319).

108444289 is a wasteful number, since it uses less digits than its factorization.

108444289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 108444289 is about 10413.6587710564. The cubic root of 108444289 is about 476.8724451526.

The spelling of 108444289 in words is "one hundred eight million, four hundred forty-four thousand, two hundred eighty-nine".

Divisors: 1 131 167 4957 21877 649367 827819 108444289