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3987002 = 210918289
BaseRepresentation
bin1111001101011000111010
321111120010202
433031120322
52010041002
6221242202
745613625
oct17153072
97446122
103987002
112283548
121403362
13a97996
1475adbc
1553b502
hex3cd63a

3987002 has 8 divisors (see below), whose sum is σ = 6035700. Its totient is φ = 1975104.

The previous prime is 3987001. The next prime is 3987013. The reversal of 3987002 is 2007893.

It can be written as a sum of positive squares in 2 ways, for example, as 3279721 + 707281 = 1811^2 + 841^2 .

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 (3987001) 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, 8927 + ... + 9362.

Almost surely, 23987002 is an apocalyptic number.

3987002 is a deficient number, since it is larger than the sum of its proper divisors (2048698).

3987002 is a wasteful number, since it uses less digits than its factorization.

3987002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18400.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3987002 is about 1996.7478558897. The cubic root of 3987002 is about 158.5679766274.

The spelling of 3987002 in words is "three million, nine hundred eighty-seven thousand, two".

Divisors: 1 2 109 218 18289 36578 1993501 3987002