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3906037 = 18772081
BaseRepresentation
bin1110111001100111110101
321100110002001
432321213311
51444443122
6215415301
745125602
oct16714765
97313061
103906037
112228733
121384531
13a69b85
147396a9
15522527
hex3b99f5

3906037 has 4 divisors (see below), whose sum is σ = 3909996. Its totient is φ = 3902080.

The previous prime is 3906017. The next prime is 3906043. The reversal of 3906037 is 7306093.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1962801 + 1943236 = 1401^2 + 1394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3906037 is a prime.

It is a Duffinian number.

3906037 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3905996 and 3906014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906017) 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, 837 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (977499).

Almost surely, 23906037 is an apocalyptic number.

It is an amenable number.

3906037 is a deficient number, since it is larger than the sum of its proper divisors (3959).

3906037 is a wasteful number, since it uses less digits than its factorization.

3906037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 3906037 is about 1976.3696516593. The cubic root of 3906037 is about 157.4872686442.

The spelling of 3906037 in words is "three million, nine hundred six thousand, thirty-seven".

Divisors: 1 1877 2081 3906037