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107869989 = 3211117033
BaseRepresentation
bin1100110110111…
…11011100100101
321111222100210210
412123133130211
5210103314424
614412010033
72446610523
oct633373445
9244870723
10107869989
1155987357
1230160919
131946a9c6
141047d313
15970b729
hex66df725

107869989 has 8 divisors (see below), whose sum is σ = 143903232. Its totient is φ = 71875040.

The previous prime is 107869969. The next prime is 107869991. The reversal of 107869989 is 989968701.

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 107869989 - 29 = 107869477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107869939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2184 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (17987904).

Almost surely, 2107869989 is an apocalyptic number.

It is an amenable number.

107869989 is a deficient number, since it is larger than the sum of its proper divisors (36033243).

107869989 is a wasteful number, since it uses less digits than its factorization.

107869989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19147.

The product of its (nonzero) digits is 1959552, while the sum is 57.

The square root of 107869989 is about 10386.0478046271. The cubic root of 107869989 is about 476.0291466393.

The spelling of 107869989 in words is "one hundred seven million, eight hundred sixty-nine thousand, nine hundred eighty-nine".

Divisors: 1 3 2111 6333 17033 51099 35956663 107869989