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10520929 is a prime number
BaseRepresentation
bin101000001000…
…100101100001
3201210112000001
4220020211201
510143132204
61013300001
7155266156
oct50104541
921715001
1010520929
115a36591
123634601
132244a03
14157c22d
15dcc4a4
hexa08961

10520929 has 2 divisors, whose sum is σ = 10520930. Its totient is φ = 10520928.

The previous prime is 10520899. The next prime is 10520933. The reversal of 10520929 is 92902501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8133904 + 2387025 = 2852^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 10520929 - 211 = 10518881 is a prime.

It is a super-2 number, since 2×105209292 = 221379894046082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10520897 and 10520906.

It is not a weakly prime, because it can be changed into another prime (10520429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260464 + 5260465.

It is an arithmetic number, because the mean of its divisors is an integer number (5260465).

Almost surely, 210520929 is an apocalyptic number.

It is an amenable number.

10520929 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520929 is an equidigital number, since it uses as much as digits as its factorization.

10520929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 10520929 is about 3243.5981563689. The cubic root of 10520929 is about 219.1213508421.

It can be divided in two parts, 10520 and 929, that added together give a square (11449 = 1072).

The spelling of 10520929 in words is "ten million, five hundred twenty thousand, nine hundred twenty-nine".