Search a number
-
+
1130461 = 3730553
BaseRepresentation
bin100010011111111011101
32010102200221
410103333131
5242133321
640121341
712415543
oct4237735
92112627
101130461
11702372
12466251
13307717
14215d93
15174e41
hex113fdd

1130461 has 4 divisors (see below), whose sum is σ = 1161052. Its totient is φ = 1099872.

The previous prime is 1130447. The next prime is 1130471. The reversal of 1130461 is 1640311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 632025 + 498436 = 795^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130461 - 25 = 1130429 is a prime.

It is a super-3 number, since 3×11304613 = 4333991019732486543, which contains 333 as substring.

It is a Duffinian number.

1130461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130431) 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, 15240 + ... + 15313.

It is an arithmetic number, because the mean of its divisors is an integer number (290263).

21130461 is an apocalyptic number.

It is an amenable number.

1130461 is a deficient number, since it is larger than the sum of its proper divisors (30591).

1130461 is an equidigital number, since it uses as much as digits as its factorization.

1130461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30590.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1130461 is about 1063.2313953228. The cubic root of 1130461 is about 104.1722060699.

Adding to 1130461 its reverse (1640311), we get a palindrome (2770772).

The spelling of 1130461 in words is "one million, one hundred thirty thousand, four hundred sixty-one".

Divisors: 1 37 30553 1130461