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10893661 = 36729683
BaseRepresentation
bin101001100011…
…100101011101
3202111110021221
4221203211131
510242044121
61025253341
7161410642
oct51434535
922443257
1010893661
116170629
123794251
13234556c
141637dc9
15e52b41
hexa6395d

10893661 has 4 divisors (see below), whose sum is σ = 10923712. Its totient is φ = 10863612.

The previous prime is 10893653. The next prime is 10893677. The reversal of 10893661 is 16639801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16639801 = 19875779.

It is a cyclic number.

It is not a de Polignac number, because 10893661 - 23 = 10893653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10893611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14475 + ... + 15208.

It is an arithmetic number, because the mean of its divisors is an integer number (2730928).

Almost surely, 210893661 is an apocalyptic number.

It is an amenable number.

10893661 is a deficient number, since it is larger than the sum of its proper divisors (30051).

10893661 is an equidigital number, since it uses as much as digits as its factorization.

10893661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30050.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10893661 is about 3300.5546503580. The cubic root of 10893661 is about 221.6790332357.

The spelling of 10893661 in words is "ten million, eight hundred ninety-three thousand, six hundred sixty-one".

Divisors: 1 367 29683 10893661