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10372661 = 13797897
BaseRepresentation
bin100111100100…
…011000110101
3201111222121122
4213210120311
510123411121
61010153325
7154110665
oct47443065
921458548
1010372661
115945152
123582845
1321c2390
1415401a5
15d9d5ab
hex9e4635

10372661 has 4 divisors (see below), whose sum is σ = 11170572. Its totient is φ = 9574752.

The previous prime is 10372657. The next prime is 10372673. The reversal of 10372661 is 16627301.

10372661 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.

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 9891025 = 694^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 10372661 - 22 = 10372657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10372661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10362661) 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, 398936 + ... + 398961.

It is an arithmetic number, because the mean of its divisors is an integer number (2792643).

Almost surely, 210372661 is an apocalyptic number.

It is an amenable number.

10372661 is a deficient number, since it is larger than the sum of its proper divisors (797911).

10372661 is an equidigital number, since it uses as much as digits as its factorization.

10372661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797910.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 10372661 is about 3220.6615779992. The cubic root of 10372661 is about 218.0871421669.

Adding to 10372661 its reverse (16627301), we get a palindrome (26999962).

The spelling of 10372661 in words is "ten million, three hundred seventy-two thousand, six hundred sixty-one".

Divisors: 1 13 797897 10372661