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4079149 = 16672447
BaseRepresentation
bin1111100011111000101101
321200020112121
433203320231
52021013044
6223232541
746446364
oct17437055
97606477
104079149
1123367a8
121448751
13aca8c9
147827db
15558984
hex3e3e2d

4079149 has 4 divisors (see below), whose sum is σ = 4083264. Its totient is φ = 4075036.

The previous prime is 4079143. The next prime is 4079189. The reversal of 4079149 is 9419704.

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 4079149 - 29 = 4078637 is a prime.

It is a Duffinian number.

4079149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4079143) 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, 444 + ... + 2890.

It is an arithmetic number, because the mean of its divisors is an integer number (1020816).

Almost surely, 24079149 is an apocalyptic number.

It is an amenable number.

4079149 is a deficient number, since it is larger than the sum of its proper divisors (4115).

4079149 is a wasteful number, since it uses less digits than its factorization.

4079149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 4079149 is about 2019.6903227970. The cubic root of 4079149 is about 159.7802843571.

The spelling of 4079149 in words is "four million, seventy-nine thousand, one hundred forty-nine".

Divisors: 1 1667 2447 4079149