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103898845 = 520779769
BaseRepresentation
bin1100011000101…
…01111011011101
321020111121102101
412030111323131
5203044230340
614150525101
72401061041
oct614257335
9236447371
10103898845
1153714816
122a966791
13186aa30b
14db28021
1591c4c9a
hex6315edd

103898845 has 4 divisors (see below), whose sum is σ = 124678620. Its totient is φ = 83119072.

The previous prime is 103898833. The next prime is 103898857. The reversal of 103898845 is 548898301.

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

It is an interprime number because it is at equal distance from previous prime (103898833) and next prime (103898857).

It can be written as a sum of positive squares in 2 ways, for example, as 56866681 + 47032164 = 7541^2 + 6858^2 .

It is a cyclic number.

It is not a de Polignac number, because 103898845 - 25 = 103898813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103898795 and 103898804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10389880 + ... + 10389889.

It is an arithmetic number, because the mean of its divisors is an integer number (31169655).

Almost surely, 2103898845 is an apocalyptic number.

It is an amenable number.

103898845 is a deficient number, since it is larger than the sum of its proper divisors (20779775).

103898845 is an equidigital number, since it uses as much as digits as its factorization.

103898845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20779774.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 103898845 is about 10193.0782887212. The cubic root of 103898845 is about 470.1144206106.

The spelling of 103898845 in words is "one hundred three million, eight hundred ninety-eight thousand, eight hundred forty-five".

Divisors: 1 5 20779769 103898845