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3809995 = 57215551
BaseRepresentation
bin1110100010001011001011
321011120022221
432202023023
51433404440
6213354511
744245600
oct16421313
97146287
103809995
112172562
121338a37
13a35247
147126a7
15503d4a
hex3a22cb

3809995 has 12 divisors (see below), whose sum is σ = 5318784. Its totient is φ = 2612400.

The previous prime is 3809987. The next prime is 3810017. The reversal of 3809995 is 5999083.

3809995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3809995 - 23 = 3809987 is a prime.

It is a Duffinian number.

3809995 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7531 + ... + 8020.

It is an arithmetic number, because the mean of its divisors is an integer number (443232).

Almost surely, 23809995 is an apocalyptic number.

3809995 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3809995 is a deficient number, since it is larger than the sum of its proper divisors (1508789).

3809995 is a wasteful number, since it uses less digits than its factorization.

3809995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15570 (or 15563 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 3809995 is about 1951.9208488051. The cubic root of 3809995 is about 156.1857720021.

The spelling of 3809995 in words is "three million, eight hundred nine thousand, nine hundred ninety-five".

Divisors: 1 5 7 35 49 245 15551 77755 108857 544285 761999 3809995