Search a number
-
+
10197394 = 25098697
BaseRepresentation
bin100110111001…
…100110010010
3201012002012021
4212321212102
510102304034
61002322054
7152451004
oct46714622
921162167
1010197394
1158354a9
1234b932a
13216067c
1414d6374
15d666b4
hex9b9992

10197394 has 4 divisors (see below), whose sum is σ = 15296094. Its totient is φ = 5098696.

The previous prime is 10197391. The next prime is 10197403. The reversal of 10197394 is 49379101.

10197394 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 49379101 = 172904653.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 2934369 = 2695^2 + 1713^2 .

It is not an unprimeable number, because it can be changed into a prime (10197391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2549347 + ... + 2549350.

Almost surely, 210197394 is an apocalyptic number.

10197394 is a deficient number, since it is larger than the sum of its proper divisors (5098700).

10197394 is an equidigital number, since it uses as much as digits as its factorization.

10197394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098699.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 10197394 is about 3193.3358733462. The cubic root of 10197394 is about 216.8518175410.

The spelling of 10197394 in words is "ten million, one hundred ninety-seven thousand, three hundred ninety-four".

Divisors: 1 2 5098697 10197394