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10272074 = 25136037
BaseRepresentation
bin100111001011…
…110101001010
3201022212122012
4213023311022
510112201244
61004055522
7153211511
oct47136512
921285565
1010272074
11588661a
1235345a2
132188667
141515678
15d7d89e
hex9cbd4a

10272074 has 4 divisors (see below), whose sum is σ = 15408114. Its totient is φ = 5136036.

The previous prime is 10272071. The next prime is 10272079. The reversal of 10272074 is 47027201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47027201 = 133617477.

It can be written as a sum of positive squares in only one way, i.e., 10272025 + 49 = 3205^2 + 7^2 .

It is a super-2 number, since 2×102720742 = 211031008522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10272071) 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 as a sum of consecutive naturals, namely, 2568017 + ... + 2568020.

Almost surely, 210272074 is an apocalyptic number.

10272074 is a deficient number, since it is larger than the sum of its proper divisors (5136040).

10272074 is an equidigital number, since it uses as much as digits as its factorization.

10272074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136039.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 10272074 is about 3205.0076442967. The cubic root of 10272074 is about 217.3798975800.

Adding to 10272074 its reverse (47027201), we get a palindrome (57299275).

The spelling of 10272074 in words is "ten million, two hundred seventy-two thousand, seventy-four".

Divisors: 1 2 5136037 10272074