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3995049 = 31331683
BaseRepresentation
bin1111001111010110101001
321111222011210
433033112221
52010320144
6221343333
745646242
oct17172651
97458153
103995049
1122895a3
121407b49
13a9b546
1475dcc9
1553dab9
hex3cf5a9

3995049 has 4 divisors (see below), whose sum is σ = 5326736. Its totient is φ = 2663364.

The previous prime is 3995029. The next prime is 3995083. The reversal of 3995049 is 9405993.

It is a happy number.

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.

It is not a de Polignac number, because 3995049 - 29 = 3994537 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3994998 and 3995016.

It is not an unprimeable number, because it can be changed into a prime (3995029) 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, 665839 + ... + 665844.

It is an arithmetic number, because the mean of its divisors is an integer number (1331684).

Almost surely, 23995049 is an apocalyptic number.

It is an amenable number.

3995049 is a deficient number, since it is larger than the sum of its proper divisors (1331687).

3995049 is a wasteful number, since it uses less digits than its factorization.

3995049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331686.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 3995049 is about 1998.7618667565. The cubic root of 3995049 is about 158.6745846350.

The spelling of 3995049 in words is "three million, nine hundred ninety-five thousand, forty-nine".

Divisors: 1 3 1331683 3995049