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10028911 = 25739023
BaseRepresentation
bin100110010000…
…011101101111
3200212112002011
4212100131233
510031411121
6554542051
7151146544
oct46203557
920775064
1010028911
11572a962
123437927
132101a89
141490bcb
15d317e1
hex99076f

10028911 has 4 divisors (see below), whose sum is σ = 10068192. Its totient is φ = 9989632.

The previous prime is 10028899. The next prime is 10028917. The reversal of 10028911 is 11982001.

10028911 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.

It is a cyclic number.

It is not a de Polignac number, because 10028911 - 29 = 10028399 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 (10028917) 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 in 3 ways as a sum of consecutive naturals, for example, 19255 + ... + 19768.

It is an arithmetic number, because the mean of its divisors is an integer number (2517048).

Almost surely, 210028911 is an apocalyptic number.

10028911 is a deficient number, since it is larger than the sum of its proper divisors (39281).

10028911 is an equidigital number, since it uses as much as digits as its factorization.

10028911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39280.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 10028911 is about 3166.8455914364. The cubic root of 10028911 is about 215.6508921089.

The spelling of 10028911 in words is "ten million, twenty-eight thousand, nine hundred eleven".

Divisors: 1 257 39023 10028911