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3899912 = 23487489
BaseRepresentation
bin1110111000001000001000
321100010200012
432320020020
51444244122
6215331052
745102002
oct16701010
97303605
103899912
112224075
121380a88
13a67153
14737372
155207e2
hex3b8208

3899912 has 8 divisors (see below), whose sum is σ = 7312350. Its totient is φ = 1949952.

The previous prime is 3899887. The next prime is 3899927. The reversal of 3899912 is 2199983.

It can be written as a sum of positive squares in only one way, i.e., 3818116 + 81796 = 1954^2 + 286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3899912.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243737 + ... + 243752.

Almost surely, 23899912 is an apocalyptic number.

It is an amenable number.

3899912 is a deficient number, since it is larger than the sum of its proper divisors (3412438).

3899912 is a wasteful number, since it uses less digits than its factorization.

3899912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487495 (or 487491 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 3899912 is about 1974.8194854214. The cubic root of 3899912 is about 157.4049077452.

It can be divided in two parts, 389 and 9912, that added together give a palindrome (10301).

The spelling of 3899912 in words is "three million, eight hundred ninety-nine thousand, nine hundred twelve".

Divisors: 1 2 4 8 487489 974978 1949956 3899912