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10661194 = 25330597
BaseRepresentation
bin101000101010…
…110101001010
3202001122102001
4220222311022
510212124234
61020301214
7156422125
oct50526512
922048361
1010661194
116021a05
1236a180a
1322937cb
1415b73bc
15e08d14
hexa2ad4a

10661194 has 4 divisors (see below), whose sum is σ = 15991794. Its totient is φ = 5330596.

The previous prime is 10661191. The next prime is 10661201. The reversal of 10661194 is 49116601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8485569 + 2175625 = 2913^2 + 1475^2 .

It is a super-2 number, since 2×106611942 = 227322115011272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10661191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665297 + ... + 2665300.

Almost surely, 210661194 is an apocalyptic number.

10661194 is a deficient number, since it is larger than the sum of its proper divisors (5330600).

10661194 is an equidigital number, since it uses as much as digits as its factorization.

10661194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330599.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10661194 is about 3265.1483886647. The cubic root of 10661194 is about 220.0908302628.

Adding to 10661194 its reverse (49116601), we get a palindrome (59777795).

The spelling of 10661194 in words is "ten million, six hundred sixty-one thousand, one hundred ninety-four".

Divisors: 1 2 5330597 10661194