Search a number
-
+
10245731 = 194491201
BaseRepresentation
bin100111000101…
…011001100011
3201021112111112
4213011121203
510110330411
61003333535
7153041636
oct47053143
921245445
1010245731
115868851
1235212ab
132179682
141509c1d
15d75b8b
hex9c5663

10245731 has 8 divisors (see below), whose sum is σ = 10818000. Its totient is φ = 9676800.

The previous prime is 10245721. The next prime is 10245733. The reversal of 10245731 is 13754201.

10245731 is digitally balanced in base 2, 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 10245731 - 26 = 10245667 is a prime.

It is a super-2 number, since 2×102457312 = 209950007448722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10245697 and 10245706.

It is not an unprimeable number, because it can be changed into a prime (10245733) 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, 7931 + ... + 9131.

It is an arithmetic number, because the mean of its divisors is an integer number (1352250).

Almost surely, 210245731 is an apocalyptic number.

10245731 is a deficient number, since it is larger than the sum of its proper divisors (572269).

10245731 is a wasteful number, since it uses less digits than its factorization.

10245731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 10245731 is about 3200.8953434938. The cubic root of 10245731 is about 217.1939130415.

Adding to 10245731 its reverse (13754201), we get a palindrome (23999932).

The spelling of 10245731 in words is "ten million, two hundred forty-five thousand, seven hundred thirty-one".

Divisors: 1 19 449 1201 8531 22819 539249 10245731