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10533891 = 33511297
BaseRepresentation
bin101000001011…
…110000000011
3201211011210010
4220023300003
510144041031
61013440003
7155352024
oct50136003
921734703
1010533891
115a452a5
123640003
13224a894
141582c4b
15dd1246
hexa0bc03

10533891 has 4 divisors (see below), whose sum is σ = 14045192. Its totient is φ = 7022592.

The previous prime is 10533889. The next prime is 10533899. The reversal of 10533891 is 19833501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10533891 - 21 = 10533889 is a prime.

It is a super-2 number, since 2×105338912 = 221925719199762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10533899) 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, 1755646 + ... + 1755651.

It is an arithmetic number, because the mean of its divisors is an integer number (3511298).

Almost surely, 210533891 is an apocalyptic number.

10533891 is a deficient number, since it is larger than the sum of its proper divisors (3511301).

10533891 is an equidigital number, since it uses as much as digits as its factorization.

10533891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511300.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 10533891 is about 3245.5956310052. The cubic root of 10533891 is about 219.2113012426.

The spelling of 10533891 in words is "ten million, five hundred thirty-three thousand, eight hundred ninety-one".

Divisors: 1 3 3511297 10533891