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10538130 = 2351720663
BaseRepresentation
bin101000001100…
…110010010010
3201211101121010
4220030302102
510144210010
61013511350
7155400261
oct50146222
921741533
1010538130
115a484a9
123642556
13224c7a5
1415845d8
15dd2620
hexa0cc92

10538130 has 32 divisors (see below), whose sum is σ = 26780544. Its totient is φ = 2644736.

The previous prime is 10538123. The next prime is 10538131. The reversal of 10538130 is 3183501.

It is a happy number.

It is a super-2 number, since 2×105381302 = 222104367793800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10538097 and 10538106.

It is not an unprimeable number, because it can be changed into a prime (10538131) 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, 9822 + ... + 10841.

It is an arithmetic number, because the mean of its divisors is an integer number (836892).

Almost surely, 210538130 is an apocalyptic number.

10538130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10538130 is an abundant number, since it is smaller than the sum of its proper divisors (16242414).

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

10538130 is a wasteful number, since it uses less digits than its factorization.

10538130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20690.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10538130 is about 3246.2486041583. The cubic root of 10538130 is about 219.2407019673.

The spelling of 10538130 in words is "ten million, five hundred thirty-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 20663 41326 61989 103315 123978 206630 309945 351271 619890 702542 1053813 1756355 2107626 3512710 5269065 10538130