Search a number
-
+
1056497 = 13181449
BaseRepresentation
bin100000001111011110001
31222200020112
410001323301
5232301442
634351105
711660111
oct4017361
91880215
101056497
11661842
1242b495
132acb60
141d7041
1515d082
hex101ef1

1056497 has 8 divisors (see below), whose sum is σ = 1146600. Its totient is φ = 967680.

The previous prime is 1056493. The next prime is 1056509. The reversal of 1056497 is 7946501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7921 + 1048576 = 89^2 + 1024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056497 - 22 = 1056493 is a prime.

It is a super-2 number, since 2×10564972 = 2232371822018, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1056493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (143325).

21056497 is an apocalyptic number.

It is an amenable number.

1056497 is a deficient number, since it is larger than the sum of its proper divisors (90103).

1056497 is a wasteful number, since it uses less digits than its factorization.

1056497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1056497 is about 1027.8603990815. The cubic root of 1056497 is about 101.8488405615.

The spelling of 1056497 in words is "one million, fifty-six thousand, four hundred ninety-seven".

Divisors: 1 13 181 449 2353 5837 81269 1056497