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3897473 = 61181353
BaseRepresentation
bin1110110111100010000001
321100000022212
432313202001
51444204343
6215311505
745061616
oct16674201
97300285
103897473
112222258
12137b595
13a65cc8
1473650d
1551ec18
hex3b7881

3897473 has 8 divisors (see below), whose sum is σ = 3994536. Its totient is φ = 3801600.

The previous prime is 3897463. The next prime is 3897497. The reversal of 3897473 is 3747983.

3897473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 332929 + 3564544 = 577^2 + 1888^2 .

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 3897473 - 26 = 3897409 is a prime.

It is a d-powerful number, because it can be written as 39 + 87 + 93 + 74 + 48 + 76 + 313 .

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 3897473.

It is not an unprimeable number, because it can be changed into a prime (3897463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10865 + ... + 11217.

It is an arithmetic number, because the mean of its divisors is an integer number (499317).

Almost surely, 23897473 is an apocalyptic number.

It is an amenable number.

3897473 is a deficient number, since it is larger than the sum of its proper divisors (97063).

3897473 is a wasteful number, since it uses less digits than its factorization.

3897473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its digits is 127008, while the sum is 41.

The square root of 3897473 is about 1974.2018640453. The cubic root of 3897473 is about 157.3720872926.

The spelling of 3897473 in words is "three million, eight hundred ninety-seven thousand, four hundred seventy-three".

Divisors: 1 61 181 353 11041 21533 63893 3897473