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3954897 = 321725849
BaseRepresentation
bin1111000101100011010001
321102221002200
433011203101
52003024042
6220433413
745421212
oct17054321
97387080
103954897
112261411
1213a8869
13a8619b
1474d409
15531c4c
hex3c58d1

3954897 has 12 divisors (see below), whose sum is σ = 6048900. Its totient is φ = 2481408.

The previous prime is 3954889. The next prime is 3954959. The reversal of 3954897 is 7984593.

3954897 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 2 ways, for example, as 1252161 + 2702736 = 1119^2 + 1644^2 .

It is not a de Polignac number, because 3954897 - 23 = 3954889 is a prime.

It is a d-powerful number, because it can be written as 313 + 92 + 53 + 49 + 87 + 93 + 73 .

It is not an unprimeable number, because it can be changed into a prime (3954877) 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 11 ways as a sum of consecutive naturals, for example, 12772 + ... + 13077.

It is an arithmetic number, because the mean of its divisors is an integer number (504075).

Almost surely, 23954897 is an apocalyptic number.

It is an amenable number.

3954897 is a deficient number, since it is larger than the sum of its proper divisors (2094003).

3954897 is a wasteful number, since it uses less digits than its factorization.

3954897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25872 (or 25869 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3954897 is about 1988.6922838891. The cubic root of 3954897 is about 158.1412106155.

It can be divided in two parts, 3954 and 897, that added together give a triangular number (4851 = T98).

The spelling of 3954897 in words is "three million, nine hundred fifty-four thousand, eight hundred ninety-seven".

Divisors: 1 3 9 17 51 153 25849 77547 232641 439433 1318299 3954897