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4281888 = 253134773
BaseRepresentation
bin10000010101011000100000
322001112122110
4100111120200
52044010023
6231435320
751252432
oct20253040
98045573
104281888
112465056
121525b40
13b6bc80
147d6652
15598a93
hex415620

4281888 has 96 divisors (see below), whose sum is σ = 12531456. Its totient is φ = 1271808.

The previous prime is 4281869. The next prime is 4281889. The reversal of 4281888 is 8881824.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4281889) 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 15 ways as a sum of consecutive naturals, for example, 58620 + ... + 58692.

It is an arithmetic number, because the mean of its divisors is an integer number (130536).

Almost surely, 24281888 is an apocalyptic number.

4281888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4281888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6265728).

4281888 is an abundant number, since it is smaller than the sum of its proper divisors (8249568).

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

4281888 is a wasteful number, since it uses less digits than its factorization.

4281888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 138 counting only the distinct ones).

The product of its digits is 32768, while the sum is 39.

The square root of 4281888 is about 2069.2723358708. The cubic root of 4281888 is about 162.3846976935.

The spelling of 4281888 in words is "four million, two hundred eighty-one thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 47 48 52 73 78 94 96 104 141 146 156 188 208 219 282 292 312 376 416 438 564 584 611 624 752 876 949 1128 1168 1222 1248 1504 1752 1833 1898 2256 2336 2444 2847 3431 3504 3666 3796 4512 4888 5694 6862 7008 7332 7592 9776 10293 11388 13724 14664 15184 19552 20586 22776 27448 29328 30368 41172 44603 45552 54896 58656 82344 89206 91104 109792 133809 164688 178412 267618 329376 356824 535236 713648 1070472 1427296 2140944 4281888