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10361681 = 11941971
BaseRepresentation
bin100111100001…
…101101010001
3201111102112222
4213201231101
510123033211
61010030425
7154033661
oct47415521
921442488
1010361681
115937980
123578415
1321ba395
14153a1a1
15d9a1db
hex9e1b51

10361681 has 4 divisors (see below), whose sum is σ = 11303664. Its totient is φ = 9419700.

The previous prime is 10361677. The next prime is 10361683. The reversal of 10361681 is 18616301.

10361681 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10361681 - 22 = 10361677 is a prime.

It is a super-3 number, since 3×103616813 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 10361681.

It is not an unprimeable number, because it can be changed into a prime (10361683) 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, 470975 + ... + 470996.

It is an arithmetic number, because the mean of its divisors is an integer number (2825916).

Almost surely, 210361681 is an apocalyptic number.

10361681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10361681 is a deficient number, since it is larger than the sum of its proper divisors (941983).

10361681 is an equidigital number, since it uses as much as digits as its factorization.

10361681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941982.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10361681 is about 3218.9565079386. The cubic root of 10361681 is about 218.0101628121.

Adding to 10361681 its reverse (18616301), we get a palindrome (28977982).

The spelling of 10361681 in words is "ten million, three hundred sixty-one thousand, six hundred eighty-one".

Divisors: 1 11 941971 10361681