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3920927 = 37105971
BaseRepresentation
bin1110111101010000011111
321101012111112
432331100133
52000432202
6220012235
745220163
oct16752037
97335445
103920927
11223893a
12139107b
13a7389a
14740ca3
15526b52
hex3bd41f

3920927 has 4 divisors (see below), whose sum is σ = 4026936. Its totient is φ = 3814920.

The previous prime is 3920923. The next prime is 3920929. The reversal of 3920927 is 7290293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7290293 = 61119513.

It is a cyclic number.

It is not a de Polignac number, because 3920927 - 22 = 3920923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3920893 and 3920902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920923) 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, 52949 + ... + 53022.

It is an arithmetic number, because the mean of its divisors is an integer number (1006734).

Almost surely, 23920927 is an apocalyptic number.

3920927 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3920927 is a deficient number, since it is larger than the sum of its proper divisors (106009).

3920927 is a wasteful number, since it uses less digits than its factorization.

3920927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106008.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3920927 is about 1980.1330763360. The cubic root of 3920927 is about 157.6871312323.

The spelling of 3920927 in words is "three million, nine hundred twenty thousand, nine hundred twenty-seven".

Divisors: 1 37 105971 3920927