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1029930 = 235113121
BaseRepresentation
bin11111011011100101010
31221022210120
43323130222
5230424210
634024110
711516466
oct3733452
91838716
101029930
11643890
12418036
132a0a35
141cb4a6
15155270
hexfb72a

1029930 has 32 divisors (see below), whose sum is σ = 2697408. Its totient is φ = 249600.

The previous prime is 1029929. The next prime is 1029937. The reversal of 1029930 is 399201.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1029930.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231 + ... + 1890.

It is an arithmetic number, because the mean of its divisors is an integer number (84294).

21029930 is an apocalyptic number.

1029930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1029930 is an abundant number, since it is smaller than the sum of its proper divisors (1667478).

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

1029930 is a wasteful number, since it uses less digits than its factorization.

1029930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1029930 is about 1014.8546693985. The cubic root of 1029930 is about 100.9878755501.

The spelling of 1029930 in words is "one million, twenty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 3121 6242 9363 15605 18726 31210 34331 46815 68662 93630 102993 171655 205986 343310 514965 1029930