Search a number
-
+
10281912 = 2331912243
BaseRepresentation
bin100111001110…
…001110111000
3201100101010120
4213032032320
510113010122
61004213240
7153252264
oct47161670
921311116
1010281912
115892a53
12353a220
13218cc94
1415190a4
15d8175c
hex9ce3b8

10281912 has 32 divisors (see below), whose sum is σ = 25850880. Its totient is φ = 3407840.

The previous prime is 10281911. The next prime is 10281913. The reversal of 10281912 is 21918201.

It can be divided in two parts, 102819 and 12, that added together give a triangular number (102831 = T453).

It is an interprime number because it is at equal distance from previous prime (10281911) and next prime (10281913).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10281911) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3463 + ... + 5705.

It is an arithmetic number, because the mean of its divisors is an integer number (807840).

Almost surely, 210281912 is an apocalyptic number.

10281912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10281912 is an abundant number, since it is smaller than the sum of its proper divisors (15568968).

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

10281912 is a wasteful number, since it uses less digits than its factorization.

10281912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 10281912 is about 3206.5420627211. The cubic root of 10281912 is about 217.4492734126.

The spelling of 10281912 in words is "ten million, two hundred eighty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 191 382 573 764 1146 1528 2243 2292 4486 4584 6729 8972 13458 17944 26916 53832 428413 856826 1285239 1713652 2570478 3427304 5140956 10281912