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3805284 = 223789509
BaseRepresentation
bin1110100001000001100100
321011022212110
432201001210
51433232114
6213321020
744226060
oct16410144
97138773
103805284
112169a6a
121336170
13a33062
14710aa0
15502759
hex3a1064

3805284 has 48 divisors (see below), whose sum is σ = 10281600. Its totient is φ = 1072896.

The previous prime is 3805279. The next prime is 3805289. The reversal of 3805284 is 4825083.

It is an interprime number because it is at equal distance from previous prime (3805279) and next prime (3805289).

It is not an unprimeable number, because it can be changed into a prime (3805289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7222 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 23805284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3805284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5140800).

3805284 is an abundant number, since it is smaller than the sum of its proper divisors (6476316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3805284 is a wasteful number, since it uses less digits than its factorization.

3805284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 3805284 is about 1950.7137155411. The cubic root of 3805284 is about 156.1213716862.

The spelling of 3805284 in words is "three million, eight hundred five thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 89 178 267 356 509 534 623 1018 1068 1246 1527 1869 2036 2492 3054 3563 3738 6108 7126 7476 10689 14252 21378 42756 45301 90602 135903 181204 271806 317107 543612 634214 951321 1268428 1902642 3805284