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1007988 = 223194421
BaseRepresentation
bin11110110000101110100
31220012200220
43312011310
5224223423
633334340
711365512
oct3660564
91805626
101007988
11629353
124073b0
13293a57
141c34b2
1514d9e3
hexf6174

1007988 has 24 divisors (see below), whose sum is σ = 2476320. Its totient is φ = 318240.

The previous prime is 1007977. The next prime is 1008001. The reversal of 1007988 is 8897001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (103180).

21007988 is an apocalyptic number.

It is an amenable number.

1007988 is an abundant number, since it is smaller than the sum of its proper divisors (1468332).

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

1007988 is a wasteful number, since it uses less digits than its factorization.

1007988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447 (or 4445 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1007988 is about 1003.9860556801. The cubic root of 1007988 is about 100.2655608169.

The spelling of 1007988 in words is "one million, seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 4421 8842 13263 17684 26526 53052 83999 167998 251997 335996 503994 1007988