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8000041 = 71142863
BaseRepresentation
bin11110100001001000101001
3120001102222211
4132201020221
54022000131
6443245121
7124666510
oct36411051
916042884
108000041
114574605
1228197a1
13187146a
1410c3677
15a805b1
hex7a1229

8000041 has 4 divisors (see below), whose sum is σ = 9142912. Its totient is φ = 6857172.

The previous prime is 8000033. The next prime is 8000051. The reversal of 8000041 is 1400008.

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 not a de Polignac number, because 8000041 - 23 = 8000033 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7999985 and 8000030.

It is not an unprimeable number, because it can be changed into a prime (8000051) 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, 571425 + ... + 571438.

It is an arithmetic number, because the mean of its divisors is an integer number (2285728).

Almost surely, 28000041 is an apocalyptic number.

It is an amenable number.

8000041 is a deficient number, since it is larger than the sum of its proper divisors (1142871).

8000041 is a wasteful number, since it uses less digits than its factorization.

8000041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142870.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 8000041 is about 2828.4343725814. The cubic root of 8000041 is about 200.0003416661. Note that the first 3 decimals are identical.

Adding to 8000041 its reverse (1400008), we get a palindrome (9400049).

The spelling of 8000041 in words is "eight million, forty-one", and thus it is an aban number and an uban number.

Divisors: 1 7 1142863 8000041