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3801609 = 32760343
BaseRepresentation
bin1110100000001000001001
321011010211100
432200020021
51433122414
6213252013
744212260
oct16401011
97133740
103801609
112167229
121334009
13a31496
1470d5d7
15501609
hex3a0209

3801609 has 12 divisors (see below), whose sum is σ = 6275776. Its totient is φ = 2172312.

The previous prime is 3801599. The next prime is 3801617. The reversal of 3801609 is 9061083.

It is not a de Polignac number, because 3801609 - 29 = 3801097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3801619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30109 + ... + 30234.

Almost surely, 23801609 is an apocalyptic number.

It is an amenable number.

3801609 is a deficient number, since it is larger than the sum of its proper divisors (2474167).

3801609 is a wasteful number, since it uses less digits than its factorization.

3801609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60356 (or 60353 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3801609 is about 1949.7715250767. The cubic root of 3801609 is about 156.0710967841.

The spelling of 3801609 in words is "three million, eight hundred one thousand, six hundred nine".

Divisors: 1 3 7 9 21 63 60343 181029 422401 543087 1267203 3801609