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3888730 = 251997211
BaseRepresentation
bin1110110101011001011010
321022120100001
432311121122
51443414410
6215203214
745024256
oct16653132
97276301
103888730
11221672a
12137650a
13a62031
14733266
1551c33a
hex3b565a

3888730 has 32 divisors (see below), whose sum is σ = 7479360. Its totient is φ = 1451520.

The previous prime is 3888721. The next prime is 3888761. The reversal of 3888730 is 378883.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3888730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18325 + ... + 18535.

It is an arithmetic number, because the mean of its divisors is an integer number (233730).

Almost surely, 23888730 is an apocalyptic number.

3888730 is a deficient number, since it is larger than the sum of its proper divisors (3590630).

3888730 is a wasteful number, since it uses less digits than its factorization.

3888730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 3888730 is about 1971.9863082689. The cubic root of 3888730 is about 157.2543242981.

The spelling of 3888730 in words is "three million, eight hundred eighty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 19 38 95 97 190 194 211 422 485 970 1055 1843 2110 3686 4009 8018 9215 18430 20045 20467 40090 40934 102335 204670 388873 777746 1944365 3888730