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10897147 = 23473789
BaseRepresentation
bin101001100100…
…011011111011
3202111122002001
4221210123323
510242202042
61025321431
7161424052
oct51443373
922448061
1010897147
116173208
123796277
132347021
141639399
15e53bb7
hexa646fb

10897147 has 4 divisors (see below), whose sum is σ = 11370960. Its totient is φ = 10423336.

The previous prime is 10897141. The next prime is 10897157. The reversal of 10897147 is 74179801.

10897147 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 an emirpimes, since its reverse is a distinct semiprime: 74179801 = 121760953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10897147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10897141) 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, 236872 + ... + 236917.

It is an arithmetic number, because the mean of its divisors is an integer number (2842740).

Almost surely, 210897147 is an apocalyptic number.

10897147 is a deficient number, since it is larger than the sum of its proper divisors (473813).

10897147 is an equidigital number, since it uses as much as digits as its factorization.

10897147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473812.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 10897147 is about 3301.0827011755. The cubic root of 10897147 is about 221.7026766707.

The spelling of 10897147 in words is "ten million, eight hundred ninety-seven thousand, one hundred forty-seven".

Divisors: 1 23 473789 10897147