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3906741 = 37317839
BaseRepresentation
bin1110111001110010110101
321100111001010
432321302311
52000003431
6215422433
745130626
oct16716265
97314033
103906741
112229213
121384a19
13a6a2a7
14739a4d
15522846
hex3b9cb5

3906741 has 8 divisors (see below), whose sum is σ = 5280640. Its totient is φ = 2568672.

The previous prime is 3906733. The next prime is 3906751. The reversal of 3906741 is 1476093.

It is a happy number.

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

It is not a de Polignac number, because 3906741 - 23 = 3906733 is a prime.

It is a Duffinian number.

It is a Curzon number.

3906741 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3906699 and 3906708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8701 + ... + 9138.

It is an arithmetic number, because the mean of its divisors is an integer number (660080).

Almost surely, 23906741 is an apocalyptic number.

It is an amenable number.

3906741 is a deficient number, since it is larger than the sum of its proper divisors (1373899).

3906741 is a wasteful number, since it uses less digits than its factorization.

3906741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17915.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3906741 is about 1976.5477479687. The cubic root of 3906741 is about 157.4967295869.

The spelling of 3906741 in words is "three million, nine hundred six thousand, seven hundred forty-one".

Divisors: 1 3 73 219 17839 53517 1302247 3906741