Search a number
-
+
1164211284 = 223761127487
BaseRepresentation
bin100010101100100…
…0111010001010100
310000010200001122110
41011121013101110
54341014230114
6311305031020
740564426665
oct10531072124
93003601573
101164211284
11548192195
12285a85470
13157273722
14b089536c
156c31b759
hex45647454

1164211284 has 24 divisors (see below), whose sum is σ = 2720083968. Its totient is φ = 387557440.

The previous prime is 1164211267. The next prime is 1164211313. The reversal of 1164211284 is 4821124611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54612 + ... + 72875.

It is an arithmetic number, because the mean of its divisors is an integer number (113336832).

Almost surely, 21164211284 is an apocalyptic number.

It is an amenable number.

1164211284 is an abundant number, since it is smaller than the sum of its proper divisors (1555872684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164211284 is a wasteful number, since it uses less digits than its factorization.

1164211284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128255 (or 128253 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 1164211284 is about 34120.5404998221. The cubic root of 1164211284 is about 1051.9875532847.

Adding to 1164211284 its reverse (4821124611), we get a palindrome (5985335895).

The spelling of 1164211284 in words is "one billion, one hundred sixty-four million, two hundred eleven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 761 1522 2283 3044 4566 9132 127487 254974 382461 509948 764922 1529844 97017607 194035214 291052821 388070428 582105642 1164211284