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3700985 = 51743541
BaseRepresentation
bin1110000111100011111001
320222000210112
432013203321
51421412420
6211154105
743313021
oct16074371
96860715
103700985
1120a8672
1212a5935
139c7742
146c4a81
154d18c5
hex3878f9

3700985 has 8 divisors (see below), whose sum is σ = 4702536. Its totient is φ = 2786560.

The previous prime is 3700979. The next prime is 3700987. The reversal of 3700985 is 5890073.

It can be written as a sum of positive squares in 4 ways, for example, as 215296 + 3485689 = 464^2 + 1867^2 .

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

It is not a de Polignac number, because 3700985 - 24 = 3700969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3700987) 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 7 ways as a sum of consecutive naturals, for example, 21686 + ... + 21855.

It is an arithmetic number, because the mean of its divisors is an integer number (587817).

Almost surely, 23700985 is an apocalyptic number.

It is an amenable number.

3700985 is a deficient number, since it is larger than the sum of its proper divisors (1001551).

3700985 is a wasteful number, since it uses less digits than its factorization.

3700985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43563.

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

The square root of 3700985 is about 1923.7944276871. The cubic root of 3700985 is about 154.6817612060.

The spelling of 3700985 in words is "three million, seven hundred thousand, nine hundred eighty-five".

Divisors: 1 5 17 85 43541 217705 740197 3700985