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3879925 = 52722171
BaseRepresentation
bin1110110011001111110101
321022010020221
432303033311
51443124200
6215054341
744656510
oct16631765
97263227
103879925
112210055
1213713b1
13a5b01a
1472dd77
1551991a
hex3b33f5

3879925 has 12 divisors (see below), whose sum is σ = 5498656. Its totient is φ = 2660400.

The previous prime is 3879923. The next prime is 3879943. The reversal of 3879925 is 5299783.

It is a happy number.

It is not a de Polignac number, because 3879925 - 21 = 3879923 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3879923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10911 + ... + 11260.

Almost surely, 23879925 is an apocalyptic number.

3879925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3879925 is a deficient number, since it is larger than the sum of its proper divisors (1618731).

3879925 is a wasteful number, since it uses less digits than its factorization.

3879925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22188 (or 22183 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 3879925 is about 1969.7525225266. The cubic root of 3879925 is about 157.1355476726.

The spelling of 3879925 in words is "three million, eight hundred seventy-nine thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 35 175 22171 110855 155197 554275 775985 3879925