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103898 = 251949
BaseRepresentation
bin11001010111011010
312021112002
4121113122
511311043
62121002
7611624
oct312732
9167462
10103898
1171073
1250162
13383a2
1429c14
1520bb8
hex195da

103898 has 4 divisors (see below), whose sum is σ = 155850. Its totient is φ = 51948.

The previous prime is 103889. The next prime is 103903. The reversal of 103898 is 898301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898301 = 1947279.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 5929 = 313^2 + 77^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25973 + ... + 25976.

2103898 is an apocalyptic number.

103898 is a deficient number, since it is larger than the sum of its proper divisors (51952).

103898 is an equidigital number, since it uses as much as digits as its factorization.

103898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51951.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 103898 is about 322.3321268506. The cubic root of 103898 is about 47.0113146141.

It can be divided in two parts, 103 and 898, that added together give a palindrome (1001).

The spelling of 103898 in words is "one hundred three thousand, eight hundred ninety-eight".

Divisors: 1 2 51949 103898