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30321064 = 23171131973
BaseRepresentation
bin111001110101…
…0100110101000
32010001110200101
41303222212220
530230233224
63001515144
7515503414
oct163524650
963043611
1030321064
111612a734
12a1a2ab4
136388177
144053d44
1529de044
hex1cea9a8

30321064 has 32 divisors (see below), whose sum is σ = 60759720. Its totient is φ = 14135296.

The previous prime is 30321041. The next prime is 30321073. The reversal of 30321064 is 46012303.

It can be written as a sum of positive squares in 4 ways, for example, as 17056900 + 13264164 = 4130^2 + 3642^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14382 + ... + 16354.

Almost surely, 230321064 is an apocalyptic number.

30321064 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30321064 is an abundant number, since it is smaller than the sum of its proper divisors (30438656).

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

30321064 is a wasteful number, since it uses less digits than its factorization.

30321064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30321064 is about 5506.4565738776. The cubic root of 30321064 is about 311.8277868378.

Adding to 30321064 its reverse (46012303), we get a palindrome (76333367).

It can be divided in two parts, 3032 and 1064, that added together give a 12-th power (4096 = 212).

The spelling of 30321064 in words is "thirty million, three hundred twenty-one thousand, sixty-four".

Divisors: 1 2 4 8 17 34 68 113 136 226 452 904 1921 1973 3842 3946 7684 7892 15368 15784 33541 67082 134164 222949 268328 445898 891796 1783592 3790133 7580266 15160532 30321064