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10530111 = 331113227
BaseRepresentation
bin101000001010…
…110100111111
3201210222121010
4220022310333
510143430421
61013410303
7155335014
oct50126477
921728533
1010530111
115a42479
123639993
132248c47
14158170b
15dd0076
hexa0ad3f

10530111 has 8 divisors (see below), whose sum is σ = 14493184. Its totient is φ = 6793560.

The previous prime is 10530109. The next prime is 10530119. The reversal of 10530111 is 11103501.

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

It is not a de Polignac number, because 10530111 - 21 = 10530109 is a prime.

It is a super-2 number, since 2×105301112 = 221766475344642, 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 (10530119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56521 + ... + 56706.

It is an arithmetic number, because the mean of its divisors is an integer number (1811648).

Almost surely, 210530111 is an apocalyptic number.

10530111 is a deficient number, since it is larger than the sum of its proper divisors (3963073).

10530111 is a wasteful number, since it uses less digits than its factorization.

10530111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113261.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 10530111 is about 3245.0132511286. The cubic root of 10530111 is about 219.1850773825.

Adding to 10530111 its reverse (11103501), we get a palindrome (21633612).

The spelling of 10530111 in words is "ten million, five hundred thirty thousand, one hundred eleven".

Divisors: 1 3 31 93 113227 339681 3510037 10530111