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10243140 = 2235792161
BaseRepresentation
bin100111000100…
…110001000100
3201021101221120
4213010301010
510110240030
61003313540
7153031245
oct47046104
921241846
1010243140
115866906
12351b8b0
13217843b
141508ccc
15d75010
hex9c4c44

10243140 has 48 divisors (see below), whose sum is σ = 29057280. Its totient is φ = 2695680.

The previous prime is 10243097. The next prime is 10243171. The reversal of 10243140 is 4134201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3660 + ... + 5820.

It is an arithmetic number, because the mean of its divisors is an integer number (605360).

Almost surely, 210243140 is an apocalyptic number.

10243140 is a gapful number since it is divisible by the number (10) 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 10243140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14528640).

10243140 is an abundant number, since it is smaller than the sum of its proper divisors (18814140).

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

10243140 is a wasteful number, since it uses less digits than its factorization.

10243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10243140 is about 3200.4905873944. The cubic root of 10243140 is about 217.1756030783.

Adding to 10243140 its reverse (4134201), we get a palindrome (14377341).

The spelling of 10243140 in words is "ten million, two hundred forty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2161 2370 4322 4740 6483 8644 10805 12966 21610 25932 32415 43220 64830 129660 170719 341438 512157 682876 853595 1024314 1707190 2048628 2560785 3414380 5121570 10243140