Search a number
-
+
10121297 = 431132083
BaseRepresentation
bin100110100111…
…000001010001
3201001012210212
4212213001101
510042340142
61000533505
7152013104
oct46470121
921035725
1010121297
11579330a
123481295
132134b44
1414b673b
15d4dd82
hex9a7051

10121297 has 8 divisors (see below), whose sum is σ = 10453344. Its totient is φ = 9793728.

The previous prime is 10121257. The next prime is 10121299. The reversal of 10121297 is 79212101.

10121297 = 4642 + 4652 + ... + 5062.

10121297 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121297 - 26 = 10121233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3818 + ... + 5900.

It is an arithmetic number, because the mean of its divisors is an integer number (1306668).

Almost surely, 210121297 is an apocalyptic number.

It is an amenable number.

10121297 is a deficient number, since it is larger than the sum of its proper divisors (332047).

10121297 is a wasteful number, since it uses less digits than its factorization.

10121297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 10121297 is about 3181.3985918146. The cubic root of 10121297 is about 216.3110587492.

Adding to 10121297 its reverse (79212101), we get a palindrome (89333398).

The spelling of 10121297 in words is "ten million, one hundred twenty-one thousand, two hundred ninety-seven".

Divisors: 1 43 113 2083 4859 89569 235379 10121297