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3936245 = 53721277
BaseRepresentation
bin1111000000111111110101
321101222111212
433000333311
52001424440
6220211205
745312635
oct17007765
97358455
103936245
1122493a5
121399b05
13a7a851
147466c5
1552b465
hex3c0ff5

3936245 has 8 divisors (see below), whose sum is σ = 4851384. Its totient is φ = 3063744.

The previous prime is 3936241. The next prime is 3936271. The reversal of 3936245 is 5426393.

It can be written as a sum of positive squares in 4 ways, for example, as 276676 + 3659569 = 526^2 + 1913^2 .

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 3936245 - 22 = 3936241 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936241) 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, 10454 + ... + 10823.

It is an arithmetic number, because the mean of its divisors is an integer number (606423).

Almost surely, 23936245 is an apocalyptic number.

It is an amenable number.

3936245 is a deficient number, since it is larger than the sum of its proper divisors (915139).

3936245 is a wasteful number, since it uses less digits than its factorization.

3936245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319.

The product of its digits is 19440, while the sum is 32.

The square root of 3936245 is about 1983.9972278206. The cubic root of 3936245 is about 157.8922113729.

The spelling of 3936245 in words is "three million, nine hundred thirty-six thousand, two hundred forty-five".

Divisors: 1 5 37 185 21277 106385 787249 3936245