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3107985 = 35207199
BaseRepresentation
bin1011110110110010010001
312211220100120
423312302101
51243423420
6150340453
735263116
oct13666221
95756316
103107985
111833091
12105a729
1384a85a
145ac90d
15415d40
hex2f6c91

3107985 has 8 divisors (see below), whose sum is σ = 4972800. Its totient is φ = 1657584.

The previous prime is 3107983. The next prime is 3107989. The reversal of 3107985 is 5897013.

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

It is not a de Polignac number, because 3107985 - 21 = 3107983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3107981) 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, 103585 + ... + 103614.

It is an arithmetic number, because the mean of its divisors is an integer number (621600).

Almost surely, 23107985 is an apocalyptic number.

It is an amenable number.

3107985 is a deficient number, since it is larger than the sum of its proper divisors (1864815).

3107985 is a wasteful number, since it uses less digits than its factorization.

3107985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207207.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 3107985 is about 1762.9478154500. The cubic root of 3107985 is about 145.9350590023.

The spelling of 3107985 in words is "three million, one hundred seven thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 207199 621597 1035995 3107985