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3980402 = 27128031
BaseRepresentation
bin1111001011110001110010
321111020002022
433023301302
52004333102
6221151442
745555446
oct17136162
97436068
103980402
112279598
1213bb582
13a9498a
14758826
155395a2
hex3cbc72

3980402 has 8 divisors (see below), whose sum is σ = 6054912. Its totient is φ = 1962100.

The previous prime is 3980401. The next prime is 3980407. The reversal of 3980402 is 2040893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3980401) 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 3 ways as a sum of consecutive naturals, for example, 13874 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (756864).

Almost surely, 23980402 is an apocalyptic number.

3980402 is a deficient number, since it is larger than the sum of its proper divisors (2074510).

3980402 is a wasteful number, since it uses less digits than its factorization.

3980402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28104.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3980402 is about 1995.0944839781. The cubic root of 3980402 is about 158.4804315952.

The spelling of 3980402 in words is "three million, nine hundred eighty thousand, four hundred two".

Divisors: 1 2 71 142 28031 56062 1990201 3980402