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3949477 = 71075273
BaseRepresentation
bin1111000100001110100101
321102122122221
433010032211
52002340402
6220352341
745366340
oct17041645
97378587
103949477
112258334
1213a56b1
13a8388c
1474b457
15530337
hex3c43a5

3949477 has 8 divisors (see below), whose sum is σ = 4556736. Its totient is φ = 3352992.

The previous prime is 3949469. The next prime is 3949487. The reversal of 3949477 is 7749493.

It is a happy number.

3949477 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 a cyclic number.

It is not a de Polignac number, because 3949477 - 23 = 3949469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949487) 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, 1888 + ... + 3385.

It is an arithmetic number, because the mean of its divisors is an integer number (569592).

Almost surely, 23949477 is an apocalyptic number.

It is an amenable number.

3949477 is a deficient number, since it is larger than the sum of its proper divisors (607259).

3949477 is a wasteful number, since it uses less digits than its factorization.

3949477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387.

The product of its digits is 190512, while the sum is 43.

The square root of 3949477 is about 1987.3291121503. The cubic root of 3949477 is about 158.0689358964.

The spelling of 3949477 in words is "three million, nine hundred forty-nine thousand, four hundred seventy-seven".

Divisors: 1 7 107 749 5273 36911 564211 3949477