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10705649 = 23465463
BaseRepresentation
bin101000110101…
…101011110001
3202010220101112
4220311223301
510220040044
61021243105
7156665543
oct50655361
922126345
1010705649
116052349
123703495
1322aab06
1415c9693
15e1709e
hexa35af1

10705649 has 4 divisors (see below), whose sum is σ = 11171136. Its totient is φ = 10240164.

The previous prime is 10705627. The next prime is 10705661. The reversal of 10705649 is 94650701.

It is a happy number.

10705649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94650701 = 641147661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10705649 is a prime.

It is a super-2 number, since 2×107056492 = 229221841022402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10705619) 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 3 ways as a sum of consecutive naturals, for example, 232709 + ... + 232754.

It is an arithmetic number, because the mean of its divisors is an integer number (2792784).

Almost surely, 210705649 is an apocalyptic number.

It is an amenable number.

10705649 is a deficient number, since it is larger than the sum of its proper divisors (465487).

10705649 is an equidigital number, since it uses as much as digits as its factorization.

10705649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465486.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 10705649 is about 3271.9488076680. The cubic root of 10705649 is about 220.3963173090.

The spelling of 10705649 in words is "ten million, seven hundred five thousand, six hundred forty-nine".

Divisors: 1 23 465463 10705649