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3805488 = 243323383
BaseRepresentation
bin1110100001000100110000
321011100011000
432201010300
51433233423
6213322000
744226501
oct16410460
97140130
103805488
11216a135
121336300
13a3318b
14710ba8
15502843
hex3a1130

3805488 has 80 divisors (see below), whose sum is σ = 11427840. Its totient is φ = 1210176.

The previous prime is 3805471. The next prime is 3805489. The reversal of 3805488 is 8845083.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3805489) 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, 9745 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (142848).

Almost surely, 23805488 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 3805488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5713920).

3805488 is an abundant number, since it is smaller than the sum of its proper divisors (7622352).

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

3805488 is a wasteful number, since it uses less digits than its factorization.

3805488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 3805488 is about 1950.7660033946. The cubic root of 3805488 is about 156.1241615078.

The spelling of 3805488 in words is "three million, eight hundred five thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 36 46 48 54 69 72 92 108 138 144 184 207 216 276 368 383 414 432 552 621 766 828 1104 1149 1242 1532 1656 2298 2484 3064 3312 3447 4596 4968 6128 6894 8809 9192 9936 10341 13788 17618 18384 20682 26427 27576 35236 41364 52854 55152 70472 79281 82728 105708 140944 158562 165456 211416 237843 317124 422832 475686 634248 951372 1268496 1902744 3805488