Search a number
-
+
10240331 = 24142491
BaseRepresentation
bin100111000100…
…000101001011
3201021021002112
4213010011023
510110142311
61003252535
7153020123
oct47040513
921237075
1010240331
115864792
12351a14b
13217708a
141507c83
15d7428b
hex9c414b

10240331 has 4 divisors (see below), whose sum is σ = 10283064. Its totient is φ = 10197600.

The previous prime is 10240327. The next prime is 10240357. The reversal of 10240331 is 13304201.

10240331 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 10240331 - 22 = 10240327 is a prime.

It is a super-2 number, since 2×102403312 = 209728757979122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10240301) 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, 21005 + ... + 21486.

It is an arithmetic number, because the mean of its divisors is an integer number (2570766).

Almost surely, 210240331 is an apocalyptic number.

10240331 is a deficient number, since it is larger than the sum of its proper divisors (42733).

10240331 is an equidigital number, since it uses as much as digits as its factorization.

10240331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42732.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10240331 is about 3200.0517183321. The cubic root of 10240331 is about 217.1557490738.

Adding to 10240331 its reverse (13304201), we get a palindrome (23544532).

The spelling of 10240331 in words is "ten million, two hundred forty thousand, three hundred thirty-one".

Divisors: 1 241 42491 10240331