Search a number
-
+
10394489 = 71484927
BaseRepresentation
bin100111101001…
…101101111001
3201120002120002
4213221231321
510130110424
61010442345
7154231430
oct47515571
921502502
1010394489
11595a596
1235933b5
1321cc2b1
141548117
15da4cae
hex9e9b79

10394489 has 4 divisors (see below), whose sum is σ = 11879424. Its totient is φ = 8909556.

The previous prime is 10394479. The next prime is 10394491. The reversal of 10394489 is 98449301.

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 10394489 - 220 = 9345913 is a prime.

It is a super-2 number, since 2×103944892 = 216090803142242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10394479) 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, 742457 + ... + 742470.

It is an arithmetic number, because the mean of its divisors is an integer number (2969856).

Almost surely, 210394489 is an apocalyptic number.

It is an amenable number.

10394489 is a deficient number, since it is larger than the sum of its proper divisors (1484935).

10394489 is an equidigital number, since it uses as much as digits as its factorization.

10394489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484934.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 10394489 is about 3224.0485418182. The cubic root of 10394489 is about 218.2400142475.

The spelling of 10394489 in words is "ten million, three hundred ninety-four thousand, four hundred eighty-nine".

Divisors: 1 7 1484927 10394489