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10633681 = 34930469
BaseRepresentation
bin101000100100…
…000111010001
3202000020200001
4220210013101
510210234211
61015530001
7156245662
oct50440721
922006601
1010633681
116003273
123689901
132284126
1415ab369
15e00ac1
hexa241d1

10633681 has 4 divisors (see below), whose sum is σ = 10664500. Its totient is φ = 10602864.

The previous prime is 10633669. The next prime is 10633697. The reversal of 10633681 is 18633601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18633601 = 72661943.

It can be written as a sum of positive squares in 2 ways, for example, as 6713281 + 3920400 = 2591^2 + 1980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10633681 is a prime.

It is a super-2 number, since 2×106336812 = 226150343219522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10633621) 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, 14886 + ... + 15583.

It is an arithmetic number, because the mean of its divisors is an integer number (2666125).

Almost surely, 210633681 is an apocalyptic number.

It is an amenable number.

10633681 is a deficient number, since it is larger than the sum of its proper divisors (30819).

10633681 is an equidigital number, since it uses as much as digits as its factorization.

10633681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30818.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10633681 is about 3260.9325353340. The cubic root of 10633681 is about 219.9013400597.

The spelling of 10633681 in words is "ten million, six hundred thirty-three thousand, six hundred eighty-one".

Divisors: 1 349 30469 10633681