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10530438 = 2359151197
BaseRepresentation
bin101000001010…
…111010000110
3201211000001020
4220022322012
510143433223
61013412010
7155335662
oct50127206
921730036
1010530438
115a42746
12363a006
132249139
1415818a2
15dd01e3
hexa0ae86

10530438 has 32 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 3410400.

The previous prime is 10530433. The next prime is 10530449. The reversal of 10530438 is 83403501.

It is a super-2 number, since 2×105304382 = 221780248943688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53356 + ... + 53552.

It is an arithmetic number, because the mean of its divisors is an integer number (677160).

Almost surely, 210530438 is an apocalyptic number.

10530438 is an abundant number, since it is smaller than the sum of its proper divisors (11138682).

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

10530438 is a wasteful number, since it uses less digits than its factorization.

10530438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10530438 is about 3245.0636357397. The cubic root of 10530438 is about 219.1873462024.

Adding to 10530438 its reverse (83403501), we get a palindrome (93933939).

The spelling of 10530438 in words is "ten million, five hundred thirty thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 59 118 151 177 197 302 354 394 453 591 906 1182 8909 11623 17818 23246 26727 29747 34869 53454 59494 69738 89241 178482 1755073 3510146 5265219 10530438