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10230340 = 2251493433
BaseRepresentation
bin100111000001…
…101001000100
3201020202101111
4213001221010
510104332330
61003134404
7152646031
oct47015104
921222344
1010230340
11585822a
123514404
132172673
141504388
15d7132a
hex9c1a44

10230340 has 24 divisors (see below), whose sum is σ = 21634200. Its totient is φ = 4063488.

The previous prime is 10230329. The next prime is 10230343. The reversal of 10230340 is 4303201.

It can be written as a sum of positive squares in 4 ways, for example, as 3136 + 10227204 = 56^2 + 3198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10230340.

It is not an unprimeable number, because it can be changed into a prime (10230343) 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, 1264 + ... + 4696.

It is an arithmetic number, because the mean of its divisors is an integer number (901425).

Almost surely, 210230340 is an apocalyptic number.

10230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10230340 is an abundant number, since it is smaller than the sum of its proper divisors (11403860).

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

10230340 is a wasteful number, since it uses less digits than its factorization.

10230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591 (or 3589 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 10230340 is about 3198.4902688612. The cubic root of 10230340 is about 217.0851032759.

Adding to 10230340 its reverse (4303201), we get a palindrome (14533541).

The spelling of 10230340 in words is "ten million, two hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 3433 6866 13732 17165 34330 68660 511517 1023034 2046068 2557585 5115170 10230340