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10406249 = 71486607
BaseRepresentation
bin100111101100…
…100101101001
3201120200200122
4213230211221
510130444444
61011013025
7154310630
oct47544551
921520618
1010406249
115968407
12359a175
132204759
14154c517
15da84ee
hex9ec969

10406249 has 4 divisors (see below), whose sum is σ = 11892864. Its totient is φ = 8919636.

The previous prime is 10406219. The next prime is 10406267. The reversal of 10406249 is 94260401.

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.

It is a cyclic number.

It is not a de Polignac number, because 10406249 - 212 = 10402153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10406219) 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, 743297 + ... + 743310.

It is an arithmetic number, because the mean of its divisors is an integer number (2973216).

Almost surely, 210406249 is an apocalyptic number.

It is an amenable number.

10406249 is a deficient number, since it is larger than the sum of its proper divisors (1486615).

10406249 is an equidigital number, since it uses as much as digits as its factorization.

10406249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486614.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10406249 is about 3225.8718201441. The cubic root of 10406249 is about 218.3222865391.

The spelling of 10406249 in words is "ten million, four hundred six thousand, two hundred forty-nine".

Divisors: 1 7 1486607 10406249