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3895745 = 57215901
BaseRepresentation
bin1110110111000111000001
321022220221212
432313013001
51444130440
6215255505
745053600
oct16670701
97286855
103895745
112220a27
12137a595
13a65299
14735a37
1551e465
hex3b71c1

3895745 has 12 divisors (see below), whose sum is σ = 5438484. Its totient is φ = 2671200.

The previous prime is 3895733. The next prime is 3895747. The reversal of 3895745 is 5475983.

It can be written as a sum of positive squares in 2 ways, for example, as 2989441 + 906304 = 1729^2 + 952^2 .

It is not a de Polignac number, because 3895745 - 24 = 3895729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3895747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7706 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (453207).

Almost surely, 23895745 is an apocalyptic number.

3895745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3895745 is a deficient number, since it is larger than the sum of its proper divisors (1542739).

3895745 is a wasteful number, since it uses less digits than its factorization.

3895745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15920 (or 15913 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 3895745 is about 1973.7641703101. The cubic root of 3895745 is about 157.3488261380.

The spelling of 3895745 in words is "three million, eight hundred ninety-five thousand, seven hundred forty-five".

Divisors: 1 5 7 35 49 245 15901 79505 111307 556535 779149 3895745