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10531130 = 2519431289
BaseRepresentation
bin101000001011…
…000100111010
3201211000222212
4220023010322
510143444010
61013415122
7155341001
oct50130472
921730885
1010531130
115a43215
12363a4a2
13224954c
141581c38
15dd0505
hexa0b13a

10531130 has 32 divisors (see below), whose sum is σ = 20433600. Its totient is φ = 3894912.

The previous prime is 10531121. The next prime is 10531139. The reversal of 10531130 is 3113501.

It is an interprime number because it is at equal distance from previous prime (10531121) and next prime (10531139).

It is a super-2 number, since 2×105311302 = 221809398153800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10531139) 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, 7526 + ... + 8814.

It is an arithmetic number, because the mean of its divisors is an integer number (638550).

Almost surely, 210531130 is an apocalyptic number.

10531130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10531130 is a deficient number, since it is larger than the sum of its proper divisors (9902470).

10531130 is a wasteful number, since it uses less digits than its factorization.

10531130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 10531130 is about 3245.1702574749. The cubic root of 10531130 is about 219.1921473424.

Adding to 10531130 its reverse (3113501), we get a palindrome (13644631).

The spelling of 10531130 in words is "ten million, five hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 43 86 95 190 215 430 817 1289 1634 2578 4085 6445 8170 12890 24491 48982 55427 110854 122455 244910 277135 554270 1053113 2106226 5265565 10531130