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10856401 is a prime number
BaseRepresentation
bin101001011010…
…011111010001
3202102120011221
4221122133101
510234401101
61024405041
7161164213
oct51323721
922376157
1010856401
116145636
123776781
13233160a
1416285b3
15e46aa1
hexa5a7d1

10856401 has 2 divisors, whose sum is σ = 10856402. Its totient is φ = 10856400.

The previous prime is 10856399. The next prime is 10856407. The reversal of 10856401 is 10465801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 358801 = 3240^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 10856401 - 21 = 10856399 is a prime.

It is a super-2 number, since 2×108564012 = 235722885345602, which contains 22 as substring.

Together with 10856399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10856407) 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 as a sum of consecutive naturals, namely, 5428200 + 5428201.

It is an arithmetic number, because the mean of its divisors is an integer number (5428201).

Almost surely, 210856401 is an apocalyptic number.

It is an amenable number.

10856401 is a deficient number, since it is larger than the sum of its proper divisors (1).

10856401 is an equidigital number, since it uses as much as digits as its factorization.

10856401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10856401 is about 3294.9053097168. The cubic root of 10856401 is about 221.4260054804.

The spelling of 10856401 in words is "ten million, eight hundred fifty-six thousand, four hundred one".