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103310989 = 176077117
BaseRepresentation
bin1100010100001…
…10011010001101
321012101202000221
412022012122031
5202421422424
614130151341
72363062135
oct612063215
9235352027
10103310989
1153353091
122a722551
1318532882
14da13ac5
15910a9e4
hex628668d

103310989 has 4 divisors (see below), whose sum is σ = 109388124. Its totient is φ = 97233856.

The previous prime is 103310959. The next prime is 103311001. The reversal of 103310989 is 989013301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83356900 + 19954089 = 9130^2 + 4467^2 .

It is a cyclic number.

It is not a de Polignac number, because 103310989 - 27 = 103310861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103310959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038542 + ... + 3038575.

It is an arithmetic number, because the mean of its divisors is an integer number (27347031).

Almost surely, 2103310989 is an apocalyptic number.

It is an amenable number.

103310989 is a deficient number, since it is larger than the sum of its proper divisors (6077135).

103310989 is an equidigital number, since it uses as much as digits as its factorization.

103310989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077134.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 103310989 is about 10164.2013459002. The cubic root of 103310989 is about 469.2261128908.

The spelling of 103310989 in words is "one hundred three million, three hundred ten thousand, nine hundred eighty-nine".

Divisors: 1 17 6077117 103310989