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8080047 = 33299261
BaseRepresentation
bin11110110100101010101111
3120012111202000
4132310222233
54032030142
6445103343
7125451663
oct36645257
916174660
108080047
114619728
122857b53
13189b9c1
1411048a3
15a9914c
hex7b4aaf

8080047 has 8 divisors (see below), whose sum is σ = 11970480. Its totient is φ = 5386680.

The previous prime is 8080027. The next prime is 8080063. The reversal of 8080047 is 7400808.

It is a happy number.

It is not a de Polignac number, because 8080047 - 26 = 8079983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 299261 = 8080047 / (8 + 0 + 8 + 0 + 0 + 4 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 8080047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149604 + ... + 149657.

It is an arithmetic number, because the mean of its divisors is an integer number (1496310).

Almost surely, 28080047 is an apocalyptic number.

8080047 is a deficient number, since it is larger than the sum of its proper divisors (3890433).

8080047 is a wasteful number, since it uses less digits than its factorization.

8080047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299270 (or 299264 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 8080047 is about 2842.5423479695. The cubic root of 8080047 is about 200.6648457848.

The spelling of 8080047 in words is "eight million, eighty thousand, forty-seven".

Divisors: 1 3 9 27 299261 897783 2693349 8080047