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4405897 = 13073371
BaseRepresentation
bin10000110011101010001001
322021211202101
4100303222021
52111442042
6234233401
752310116
oct20635211
98254671
104405897
11253a241
121585861
13bb3552
1482990d
155c06b7
hex433a89

4405897 has 4 divisors (see below), whose sum is σ = 4410576. Its totient is φ = 4401220.

The previous prime is 4405879. The next prime is 4405913. The reversal of 4405897 is 7985044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4405897 - 211 = 4403849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4405867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379 + ... + 2992.

It is an arithmetic number, because the mean of its divisors is an integer number (1102644).

Almost surely, 24405897 is an apocalyptic number.

It is an amenable number.

4405897 is a deficient number, since it is larger than the sum of its proper divisors (4679).

4405897 is a wasteful number, since it uses less digits than its factorization.

4405897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4405897 is about 2099.0228679078. The cubic root of 4405897 is about 163.9374265548.

The spelling of 4405897 in words is "four million, four hundred five thousand, eight hundred ninety-seven".

Divisors: 1 1307 3371 4405897