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3989330 = 25398933
BaseRepresentation
bin1111001101111101010010
321111200022222
433031331102
52010124310
6221301042
745623462
oct17157522
97450288
103989330
112285274
121404782
13a98a67
1475bba2
1553c055
hex3cdf52

3989330 has 8 divisors (see below), whose sum is σ = 7180812. Its totient is φ = 1595728.

The previous prime is 3989329. The next prime is 3989333. The reversal of 3989330 is 339893.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 413449 = 1891^2 + 643^2 .

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 (3989333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199457 + ... + 199476.

Almost surely, 23989330 is an apocalyptic number.

3989330 is a deficient number, since it is larger than the sum of its proper divisors (3191482).

3989330 is a wasteful number, since it uses less digits than its factorization.

3989330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398940.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3989330 is about 1997.3307187344. The cubic root of 3989330 is about 158.5988330976.

The spelling of 3989330 in words is "three million, nine hundred eighty-nine thousand, three hundred thirty".

Divisors: 1 2 5 10 398933 797866 1994665 3989330