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10140697 = 72206953
BaseRepresentation
bin100110101011…
…110000011001
3201002012102101
4212223300121
510044000242
61001203401
7152123500
oct46536031
921065371
1010140697
1157a6946
123490561
132140918
1414bd837
15d549b7
hex9abc19

10140697 has 6 divisors (see below), whose sum is σ = 11796378. Its totient is φ = 8691984.

The previous prime is 10140643. The next prime is 10140709. The reversal of 10140697 is 79604101.

10140697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5934096 + 4206601 = 2436^2 + 2051^2 .

It is a de Polignac number, because none of the positive numbers 2k-10140697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103428 + ... + 103525.

It is an arithmetic number, because the mean of its divisors is an integer number (1966063).

Almost surely, 210140697 is an apocalyptic number.

It is an amenable number.

10140697 is a deficient number, since it is larger than the sum of its proper divisors (1655681).

10140697 is an equidigital number, since it uses as much as digits as its factorization.

10140697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206967 (or 206960 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10140697 is about 3184.4461056831. The cubic root of 10140697 is about 216.4491753107.

Adding to 10140697 its reverse (79604101), we get a palindrome (89744798).

The spelling of 10140697 in words is "ten million, one hundred forty thousand, six hundred ninety-seven".

Divisors: 1 7 49 206953 1448671 10140697