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3940727 = 7311489
BaseRepresentation
bin1111000010000101110111
321102012122212
433002011313
52002100402
6220244035
745332000
oct17020567
97365585
103940727
1122517aa
1213a061b
13a7c8bb
147481a7
1552c952
hex3c2177

3940727 has 8 divisors (see below), whose sum is σ = 4596000. Its totient is φ = 3377472.

The previous prime is 3940721. The next prime is 3940747. The reversal of 3940727 is 7270493.

It is a happy number.

It is not a de Polignac number, because 3940727 - 26 = 3940663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3940693 and 3940702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940721) 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, 5402 + ... + 6087.

It is an arithmetic number, because the mean of its divisors is an integer number (574500).

Almost surely, 23940727 is an apocalyptic number.

3940727 is a deficient number, since it is larger than the sum of its proper divisors (655273).

3940727 is an equidigital number, since it uses as much as digits as its factorization.

3940727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11510 (or 11496 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 3940727 is about 1985.1264443355. The cubic root of 3940727 is about 157.9521165587.

The spelling of 3940727 in words is "three million, nine hundred forty thousand, seven hundred twenty-seven".

Divisors: 1 7 49 343 11489 80423 562961 3940727