Search a number
-
+
1057535 = 5211507
BaseRepresentation
bin100000010001011111111
31222201122222
410002023333
5232320120
634355555
711663123
oct4021377
91881588
101057535
116625a6
1242bbbb
132b047b
141d7583
1515d525
hex1022ff

1057535 has 4 divisors (see below), whose sum is σ = 1269048. Its totient is φ = 846024.

The previous prime is 1057531. The next prime is 1057541. The reversal of 1057535 is 5357501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5357501 = 21125391.

It is a cyclic number.

It is not a de Polignac number, because 1057535 - 22 = 1057531 is a prime.

It is a super-2 number, since 2×10575352 = 2236760552450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057531) 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, 105749 + ... + 105758.

It is an arithmetic number, because the mean of its divisors is an integer number (317262).

21057535 is an apocalyptic number.

1057535 is a deficient number, since it is larger than the sum of its proper divisors (211513).

1057535 is an equidigital number, since it uses as much as digits as its factorization.

1057535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211512.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 1057535 is about 1028.3652075017. The cubic root of 1057535 is about 101.8821848722.

The spelling of 1057535 in words is "one million, fifty-seven thousand, five hundred thirty-five".

Divisors: 1 5 211507 1057535