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3985007 = 13317967
BaseRepresentation
bin1111001100111001101111
321111110101212
433030321233
52010010012
6221225035
745605045
oct17147157
97443355
103985007
112281aa4
12140217b
13a96ac0
1475a395
1553ab22
hex3cce6f

3985007 has 8 divisors (see below), whose sum is σ = 4309536. Its totient is φ = 3663072.

The previous prime is 3984983. The next prime is 3985013. The reversal of 3985007 is 7005893.

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

It is a cyclic number.

It is not a de Polignac number, because 3985007 - 26 = 3984943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3638 + ... + 4604.

It is an arithmetic number, because the mean of its divisors is an integer number (538692).

Almost surely, 23985007 is an apocalyptic number.

3985007 is a deficient number, since it is larger than the sum of its proper divisors (324529).

3985007 is a wasteful number, since it uses less digits than its factorization.

3985007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 3985007 is about 1996.2482310575. The cubic root of 3985007 is about 158.5415243464.

The spelling of 3985007 in words is "three million, nine hundred eighty-five thousand, seven".

Divisors: 1 13 317 967 4121 12571 306539 3985007