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8330141 = 25732413
BaseRepresentation
bin11111110001101110011101
3120200012210202
4133301232131
54113031031
6454313245
7130543061
oct37615635
916605722
108330141
11477a616
122958825
1319587a1
14116baa1
15ae82cb
hex7f1b9d

8330141 has 4 divisors (see below), whose sum is σ = 8362812. Its totient is φ = 8297472.

The previous prime is 8330137. The next prime is 8330167. The reversal of 8330141 is 1410338.

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: 1410338 = 2705169.

It can be written as a sum of positive squares in 2 ways, for example, as 7958041 + 372100 = 2821^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 8330141 - 22 = 8330137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8330111) 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, 15950 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (2090703).

Almost surely, 28330141 is an apocalyptic number.

It is an amenable number.

8330141 is a deficient number, since it is larger than the sum of its proper divisors (32671).

8330141 is a wasteful number, since it uses less digits than its factorization.

8330141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32670.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 8330141 is about 2886.1983646312. The cubic root of 8330141 is about 202.7141746577.

Adding to 8330141 its reverse (1410338), we get a palindrome (9740479).

The spelling of 8330141 in words is "eight million, three hundred thirty thousand, one hundred forty-one".

Divisors: 1 257 32413 8330141