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8042988 = 223670249
BaseRepresentation
bin11110101011100111101100
3120010121220110
4132223213230
54024333423
6444220020
7125235642
oct36534754
916117813
108042988
1145a38a8
12283a610
131887b85
1410d5192
15a8d193
hex7ab9ec

8042988 has 12 divisors (see below), whose sum is σ = 18767000. Its totient is φ = 2680992.

The previous prime is 8042977. The next prime is 8043017. The reversal of 8042988 is 8892408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335113 + ... + 335136.

Almost surely, 28042988 is an apocalyptic number.

It is an amenable number.

8042988 is an abundant number, since it is smaller than the sum of its proper divisors (10724012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8042988 is a wasteful number, since it uses less digits than its factorization.

8042988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670256 (or 670254 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 8042988 is about 2836.0162199818. The cubic root of 8042988 is about 200.3575935864.

The spelling of 8042988 in words is "eight million, forty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 670249 1340498 2010747 2680996 4021494 8042988