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3969930 = 235132331
BaseRepresentation
bin1111001001001110001010
321110200201110
433021032022
52004014210
6221031150
745513066
oct17111612
97420643
103969930
112271738
1213b54b6
13a8cc93
14754aa6
15536420
hex3c938a

3969930 has 16 divisors (see below), whose sum is σ = 9527904. Its totient is φ = 1058640.

The previous prime is 3969923. The next prime is 3969937. The reversal of 3969930 is 399693.

3969930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3969923) and next prime (3969937).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3969937) by changing a digit.

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, 66136 + ... + 66195.

It is an arithmetic number, because the mean of its divisors is an integer number (595494).

Almost surely, 23969930 is an apocalyptic number.

3969930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3969930 is an abundant number, since it is smaller than the sum of its proper divisors (5557974).

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

3969930 is a wasteful number, since it uses less digits than its factorization.

3969930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132341.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 3969930 is about 1992.4683184432. The cubic root of 3969930 is about 158.3413280051.

The spelling of 3969930 in words is "three million, nine hundred sixty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 132331 264662 396993 661655 793986 1323310 1984965 3969930