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BaseRepresentation
bin1111010000011011100001
321112012020001
433100123201
52010440312
6221420001
745665140
oct17203341
97465201
103999457
112291940
12140a601
13aa0557
14761757
15540057
hex3d06e1

3999457 has 8 divisors (see below), whose sum is σ = 4986432. Its totient is φ = 3116400.

The previous prime is 3999449. The next prime is 3999461. The reversal of 3999457 is 7549993.

3999457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3999457 - 23 = 3999449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3999467) 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, 25894 + ... + 26047.

It is an arithmetic number, because the mean of its divisors is an integer number (623304).

Almost surely, 23999457 is an apocalyptic number.

It is an amenable number.

3999457 is a deficient number, since it is larger than the sum of its proper divisors (986975).

3999457 is a wasteful number, since it uses less digits than its factorization.

3999457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51959.

The product of its digits is 306180, while the sum is 46.

The square root of 3999457 is about 1999.8642453927. The cubic root of 3999457 is about 158.7329218820.

The spelling of 3999457 in words is "three million, nine hundred ninety-nine thousand, four hundred fifty-seven".

Divisors: 1 7 11 77 51941 363587 571351 3999457