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10516231 = 1137901
BaseRepresentation
bin101000000111…
…011100000111
3201210021120001
4220013130013
510143004411
61013222131
7155246365
oct50073407
921707501
1010516231
115a33000
123631947
13224282b
14157a635
15dcadc1
hexa07707

10516231 has 8 divisors (see below), whose sum is σ = 11568528. Its totient is φ = 9559000.

The previous prime is 10516199. The next prime is 10516249. The reversal of 10516231 is 13261501.

It is not a de Polignac number, because 10516231 - 25 = 10516199 is a prime.

It is a super-2 number, since 2×105162312 = 221182228890722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10516199 and 10516208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10510231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (1446066).

Almost surely, 210516231 is an apocalyptic number.

10516231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10516231 is a deficient number, since it is larger than the sum of its proper divisors (1052297).

10516231 is an frugal number, since it uses more digits than its factorization.

10516231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934 (or 7912 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10516231 is about 3242.8738797554. The cubic root of 10516231 is about 219.0887306121.

Adding to 10516231 its reverse (13261501), we get a palindrome (23777732).

The spelling of 10516231 in words is "ten million, five hundred sixteen thousand, two hundred thirty-one".

Divisors: 1 11 121 1331 7901 86911 956021 10516231