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103989899 = 1341195103
BaseRepresentation
bin1100011001011…
…00001010001011
321020200020022202
412030230022023
5203110134044
614152510415
72401620356
oct614541213
9236606282
10103989899
1153777172
122a9ab40b
131870c8b0
14db4d29d
1591e1c4e
hex632c28b

103989899 has 8 divisors (see below), whose sum is σ = 114721152. Its totient is φ = 93648960.

The previous prime is 103989883. The next prime is 103989913. The reversal of 103989899 is 998989301.

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 103989899 - 24 = 103989883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103982899) 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, 97019 + ... + 98084.

It is an arithmetic number, because the mean of its divisors is an integer number (14340144).

Almost surely, 2103989899 is an apocalyptic number.

103989899 is a deficient number, since it is larger than the sum of its proper divisors (10731253).

103989899 is a wasteful number, since it uses less digits than its factorization.

103989899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195157.

The product of its (nonzero) digits is 1259712, while the sum is 56.

The square root of 103989899 is about 10197.5437728896. The cubic root of 103989899 is about 470.2517121591.

The spelling of 103989899 in words is "one hundred three million, nine hundred eighty-nine thousand, eight hundred ninety-nine".

Divisors: 1 13 41 533 195103 2536339 7999223 103989899