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10229640 = 233585247
BaseRepresentation
bin100111000001…
…011110001000
3201020201102120
4213001132020
510104322030
61003131240
7152644011
oct47013610
921221376
1010229640
115857753
123513b20
132172255
141504008
15d71010
hex9c1788

10229640 has 32 divisors (see below), whose sum is σ = 30689280. Its totient is φ = 2727872.

The previous prime is 10229629. The next prime is 10229647. The reversal of 10229640 is 4692201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10229640.

It is not an unprimeable number, because it can be changed into a prime (10229647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42504 + ... + 42743.

It is an arithmetic number, because the mean of its divisors is an integer number (959040).

Almost surely, 210229640 is an apocalyptic number.

10229640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10229640 is an abundant number, since it is smaller than the sum of its proper divisors (20459640).

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

10229640 is a wasteful number, since it uses less digits than its factorization.

10229640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85261 (or 85257 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10229640 is about 3198.3808403628. The cubic root of 10229640 is about 217.0801518914.

The spelling of 10229640 in words is "ten million, two hundred twenty-nine thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 85247 170494 255741 340988 426235 511482 681976 852470 1022964 1278705 1704940 2045928 2557410 3409880 5114820 10229640