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8008049 = 71144007
BaseRepresentation
bin11110100011000101110001
3120001211222102
4132203011301
54022224144
6443350145
7125032040
oct36430561
916054872
108008049
11457a625
122822355
131874cba
1410c6557
15a82b4e
hex7a3171

8008049 has 4 divisors (see below), whose sum is σ = 9152064. Its totient is φ = 6864036.

The previous prime is 8008009. The next prime is 8008081. The reversal of 8008049 is 9408008.

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 a de Polignac number, because none of the positive numbers 2k-8008049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8008009) 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, 571997 + ... + 572010.

It is an arithmetic number, because the mean of its divisors is an integer number (2288016).

Almost surely, 28008049 is an apocalyptic number.

It is an amenable number.

8008049 is a deficient number, since it is larger than the sum of its proper divisors (1144015).

8008049 is a wasteful number, since it uses less digits than its factorization.

8008049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144014.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 8008049 is about 2829.8496426489. The cubic root of 8008049 is about 200.0670525173.

The spelling of 8008049 in words is "eight million, eight thousand, forty-nine".

Divisors: 1 7 1144007 8008049