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10720193 = 11974563
BaseRepresentation
bin101000111001…
…001111000001
3202011122100012
4220321033001
510221021233
61021434305
7160056131
oct50711701
922148305
1010720193
116062270
12370b995
1322b4613
1415d0ac1
15e1b548
hexa393c1

10720193 has 4 divisors (see below), whose sum is σ = 11694768. Its totient is φ = 9745620.

The previous prime is 10720189. The next prime is 10720211. The reversal of 10720193 is 39102701.

10720193 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10720193 - 22 = 10720189 is a prime.

It is a super-2 number, since 2×107201932 = 229845075914498, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10720153) 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 in 3 ways as a sum of consecutive naturals, for example, 487271 + ... + 487292.

It is an arithmetic number, because the mean of its divisors is an integer number (2923692).

Almost surely, 210720193 is an apocalyptic number.

It is an amenable number.

10720193 is a deficient number, since it is larger than the sum of its proper divisors (974575).

10720193 is an equidigital number, since it uses as much as digits as its factorization.

10720193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974574.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 10720193 is about 3274.1705819948. The cubic root of 10720193 is about 220.4960775248.

Adding to 10720193 its reverse (39102701), we get a palindrome (49822894).

The spelling of 10720193 in words is "ten million, seven hundred twenty thousand, one hundred ninety-three".

Divisors: 1 11 974563 10720193