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10381238 = 27337409
BaseRepresentation
bin100111100110…
…011110110110
3201112102101022
4213212132312
510124144423
61010301142
7154145000
oct47463666
921472338
1010381238
11595063a
1235877b2
1321c625a
141543370
15da0dc8
hex9e67b6

10381238 has 32 divisors (see below), whose sum is σ = 18696000. Its totient is φ = 4318272.

The previous prime is 10381229. The next prime is 10381279. The reversal of 10381238 is 83218301.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 25178 + ... + 25586.

It is an arithmetic number, because the mean of its divisors is an integer number (584250).

Almost surely, 210381238 is an apocalyptic number.

10381238 is a deficient number, since it is larger than the sum of its proper divisors (8314762).

10381238 is an equidigital number, since it uses as much as digits as its factorization.

10381238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10381238 is about 3221.9928615688. The cubic root of 10381238 is about 218.1472366172.

Adding to 10381238 its reverse (83218301), we get a palindrome (93599539).

The spelling of 10381238 in words is "ten million, three hundred eighty-one thousand, two hundred thirty-eight".

Divisors: 1 2 7 14 37 49 74 98 259 343 409 518 686 818 1813 2863 3626 5726 12691 15133 20041 25382 30266 40082 105931 140287 211862 280574 741517 1483034 5190619 10381238