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8101141 = 44318287
BaseRepresentation
bin11110111001110100010101
3120020120200021
4132321310111
54033214031
6445345141
7125600326
oct36716425
916216607
108101141
114633564
1228681b1
1318a8499
14110c44d
15aa0511
hex7b9d15

8101141 has 4 divisors (see below), whose sum is σ = 8119872. Its totient is φ = 8082412.

The previous prime is 8101133. The next prime is 8101147. The reversal of 8101141 is 1411018.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8101141 - 23 = 8101133 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101147) 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, 8701 + ... + 9586.

It is an arithmetic number, because the mean of its divisors is an integer number (2029968).

Almost surely, 28101141 is an apocalyptic number.

It is an amenable number.

8101141 is a deficient number, since it is larger than the sum of its proper divisors (18731).

8101141 is a wasteful number, since it uses less digits than its factorization.

8101141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18730.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 8101141 is about 2846.2503403601. The cubic root of 8101141 is about 200.8393144954.

Adding to 8101141 its reverse (1411018), we get a palindrome (9512159).

The spelling of 8101141 in words is "eight million, one hundred one thousand, one hundred forty-one".

Divisors: 1 443 18287 8101141