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10530311 = 113725873
BaseRepresentation
bin101000001010…
…111000000111
3201210222212112
4220022320013
510143432221
61013411235
7155335421
oct50127007
921728775
1010530311
115a42640
123639b1b
13224906c
141581811
15dd015b
hexa0ae07

10530311 has 8 divisors (see below), whose sum is σ = 11798544. Its totient is φ = 9313920.

The previous prime is 10530307. The next prime is 10530329. The reversal of 10530311 is 11303501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10530311 - 22 = 10530307 is a prime.

It is a super-2 number, since 2×105303112 = 221774899513442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530211) 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, 12530 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (1474818).

Almost surely, 210530311 is an apocalyptic number.

10530311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10530311 is a deficient number, since it is larger than the sum of its proper divisors (1268233).

10530311 is a wasteful number, since it uses less digits than its factorization.

10530311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25921.

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

The square root of 10530311 is about 3245.0440674974. The cubic root of 10530311 is about 219.1864650455.

Adding to 10530311 its reverse (11303501), we get a palindrome (21833812).

The spelling of 10530311 in words is "ten million, five hundred thirty thousand, three hundred eleven".

Divisors: 1 11 37 407 25873 284603 957301 10530311