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3801285 = 325174969
BaseRepresentation
bin1110100000000011000101
321011010101100
432200003011
51433120120
6213250313
744211315
oct16400305
97133340
103801285
112166a64
121333999
13a312a7
1470d445
15501490
hex3a00c5

3801285 has 24 divisors (see below), whose sum is σ = 6977880. Its totient is φ = 1907712.

The previous prime is 3801283. The next prime is 3801299. The reversal of 3801285 is 5821083.

It is a happy number.

3801285 is a `hidden beast` number, since 380 + 1 + 285 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 352836 + 3448449 = 594^2 + 1857^2 .

It is not a de Polignac number, because 3801285 - 21 = 3801283 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1720 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (290745).

Almost surely, 23801285 is an apocalyptic number.

It is an amenable number.

3801285 is a deficient number, since it is larger than the sum of its proper divisors (3176595).

3801285 is a wasteful number, since it uses less digits than its factorization.

3801285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 3801285 is about 1949.6884366483. The cubic root of 3801285 is about 156.0666628307.

The spelling of 3801285 in words is "three million, eight hundred one thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 4969 14907 24845 44721 74535 84473 223605 253419 422365 760257 1267095 3801285