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10272943 = 11390911
BaseRepresentation
bin100111001100…
…000010101111
3201022220211101
4213030002233
510112213233
61004103531
7153214162
oct47140257
921286741
1010272943
11588723a
123534ba7
132188b85
141515ad9
15d7dc7d
hex9cc0af

10272943 has 4 divisors (see below), whose sum is σ = 10363968. Its totient is φ = 10181920.

The previous prime is 10272917. The next prime is 10272953. The reversal of 10272943 is 34927201.

10272943 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 an emirpimes, since its reverse is a distinct semiprime: 34927201 = 237114731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10272943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10272953) 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, 45343 + ... + 45568.

It is an arithmetic number, because the mean of its divisors is an integer number (2590992).

Almost surely, 210272943 is an apocalyptic number.

10272943 is a deficient number, since it is larger than the sum of its proper divisors (91025).

10272943 is an equidigital number, since it uses as much as digits as its factorization.

10272943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91024.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 10272943 is about 3205.1432105290. The cubic root of 10272943 is about 217.3860273971.

The spelling of 10272943 in words is "ten million, two hundred seventy-two thousand, nine hundred forty-three".

Divisors: 1 113 90911 10272943