Search a number
-
+
10409849 = 13974891
BaseRepresentation
bin100111101101…
…011101111001
3201120212121222
4213231131321
510131103344
61011041425
7154324262
oct47553571
921525558
1010409849
11597008a
1235a0275
132206298
14154d969
15da95ee
hex9ed779

10409849 has 4 divisors (see below), whose sum is σ = 10484880. Its totient is φ = 10334820.

The previous prime is 10409843. The next prime is 10409851. The reversal of 10409849 is 94890401.

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 10409849 - 220 = 9361273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10409843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37307 + ... + 37584.

It is an arithmetic number, because the mean of its divisors is an integer number (2621220).

Almost surely, 210409849 is an apocalyptic number.

It is an amenable number.

10409849 is a deficient number, since it is larger than the sum of its proper divisors (75031).

10409849 is an equidigital number, since it uses as much as digits as its factorization.

10409849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75030.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 10409849 is about 3226.4297605868. The cubic root of 10409849 is about 218.3474595422.

The spelling of 10409849 in words is "ten million, four hundred nine thousand, eight hundred forty-nine".

Divisors: 1 139 74891 10409849