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1055291 = 4722453
BaseRepresentation
bin100000001101000111011
31222121120212
410001220323
5232232131
634341335
711653436
oct4015073
91877525
101055291
11660946
1242a84b
132ac443
141d681d
1515ca2b
hex101a3b

1055291 has 4 divisors (see below), whose sum is σ = 1077792. Its totient is φ = 1032792.

The previous prime is 1055269. The next prime is 1055303. The reversal of 1055291 is 1925501.

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 1055291 - 210 = 1054267 is a prime.

It is a super-2 number, since 2×10552912 = 2227278189362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055231) 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, 11180 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (269448).

21055291 is an apocalyptic number.

1055291 is a deficient number, since it is larger than the sum of its proper divisors (22501).

1055291 is an equidigital number, since it uses as much as digits as its factorization.

1055291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22500.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1055291 is about 1027.2735760254. The cubic root of 1055291 is about 101.8100720437.

It can be divided in two parts, 105 and 5291, that multiplied together give a palindrome (555555).

The spelling of 1055291 in words is "one million, fifty-five thousand, two hundred ninety-one".

Divisors: 1 47 22453 1055291