Search a number
-
+
1130557 = 19157379
BaseRepresentation
bin100010100000000111101
32010102211111
410110000331
5242134212
640122021
712416041
oct4240075
92112744
101130557
1170244a
12466311
1330778c
14216021
15174ea7
hex11403d

1130557 has 8 divisors (see below), whose sum is σ = 1200800. Its totient is φ = 1061424.

The previous prime is 1130527. The next prime is 1130561. The reversal of 1130557 is 7550311.

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 1130557 - 27 = 1130429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130527) 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, 2794 + ... + 3172.

It is an arithmetic number, because the mean of its divisors is an integer number (150100).

21130557 is an apocalyptic number.

It is an amenable number.

1130557 is a deficient number, since it is larger than the sum of its proper divisors (70243).

1130557 is a wasteful number, since it uses less digits than its factorization.

1130557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1130557 is about 1063.2765397581. The cubic root of 1130557 is about 104.1751547928.

Adding to 1130557 its reverse (7550311), we get a palindrome (8680868).

The spelling of 1130557 in words is "one million, one hundred thirty thousand, five hundred fifty-seven".

Divisors: 1 19 157 379 2983 7201 59503 1130557