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8103241 = 15751613
BaseRepresentation
bin11110111010010101001001
3120020200120001
4132322111021
54033300431
6445403001
7125606416
oct36722511
916220501
108103241
1146350a3
122869461
1318a9423
14110d10d
15aa0e61
hex7ba549

8103241 has 4 divisors (see below), whose sum is σ = 8155012. Its totient is φ = 8051472.

The previous prime is 8103239. The next prime is 8103289. The reversal of 8103241 is 1423018.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1423018 = 2711509.

It can be written as a sum of positive squares in 2 ways, for example, as 2627641 + 5475600 = 1621^2 + 2340^2 .

It is a cyclic number.

It is not a de Polignac number, because 8103241 - 21 = 8103239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8103841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25650 + ... + 25963.

It is an arithmetic number, because the mean of its divisors is an integer number (2038753).

Almost surely, 28103241 is an apocalyptic number.

It is an amenable number.

8103241 is a deficient number, since it is larger than the sum of its proper divisors (51771).

8103241 is a wasteful number, since it uses less digits than its factorization.

8103241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51770.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8103241 is about 2846.6192228677. The cubic root of 8103241 is about 200.8566670355.

Adding to 8103241 its reverse (1423018), we get a palindrome (9526259).

The spelling of 8103241 in words is "eight million, one hundred three thousand, two hundred forty-one".

Divisors: 1 157 51613 8103241