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103703689 = 176100217
BaseRepresentation
bin1100010111001…
…10010010001001
321020010200201101
412023212102021
5203022004224
614142421401
72366316055
oct613462211
9236120641
10103703689
11535a1131
122a891861
131863c53b
14dab6c65
159187044
hex62e6489

103703689 has 4 divisors (see below), whose sum is σ = 109803924. Its totient is φ = 97603456.

The previous prime is 103703687. The next prime is 103703693. The reversal of 103703689 is 986307301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986307301 = 7140901043.

It can be written as a sum of positive squares in 2 ways, for example, as 82955664 + 20748025 = 9108^2 + 4555^2 .

It is a cyclic number.

It is not a de Polignac number, because 103703689 - 21 = 103703687 is a prime.

It is a super-2 number, since 2×1037036892 = 21508910224417442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103703687) 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, 3050092 + ... + 3050125.

It is an arithmetic number, because the mean of its divisors is an integer number (27450981).

Almost surely, 2103703689 is an apocalyptic number.

It is an amenable number.

103703689 is a deficient number, since it is larger than the sum of its proper divisors (6100235).

103703689 is an equidigital number, since it uses as much as digits as its factorization.

103703689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100234.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 103703689 is about 10183.5008224088. The cubic root of 103703689 is about 469.8198932664.

The spelling of 103703689 in words is "one hundred three million, seven hundred three thousand, six hundred eighty-nine".

Divisors: 1 17 6100217 103703689