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10521337 = 149241293
BaseRepresentation
bin101000001000…
…101011111001
3201210112120011
4220020223321
510143140322
61013301521
7155300311
oct50105371
921715504
1010521337
115a36922
1236348a1
132244c58
14157c441
15dcc677
hexa08af9

10521337 has 8 divisors (see below), whose sum is σ = 10672200. Its totient is φ = 10371840.

The previous prime is 10521331. The next prime is 10521359. The reversal of 10521337 is 73312501.

It can be written as a sum of positive squares in 4 ways, for example, as 3182656 + 7338681 = 1784^2 + 2709^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10521337 - 219 = 9997049 is a prime.

It is a super-2 number, since 2×105213372 = 221397064535138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10521331) 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, 35763 + ... + 36055.

It is an arithmetic number, because the mean of its divisors is an integer number (1334025).

Almost surely, 210521337 is an apocalyptic number.

It is an amenable number.

10521337 is a deficient number, since it is larger than the sum of its proper divisors (150863).

10521337 is a wasteful number, since it uses less digits than its factorization.

10521337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 10521337 is about 3243.6610488767. The cubic root of 10521337 is about 219.1241833029.

Adding to 10521337 its reverse (73312501), we get a palindrome (83833838).

The spelling of 10521337 in words is "ten million, five hundred twenty-one thousand, three hundred thirty-seven".

Divisors: 1 149 241 293 35909 43657 70613 10521337