Search a number
-
+
1134430444 = 227533472203
BaseRepresentation
bin100001110011110…
…0000100011101100
32221001122001000101
41003213200203230
54310403233234
6304322440444
740053333250
oct10347404354
92831561011
101134430444
115323a1424
12277b03124
13151047424
14aa942260
15698d7814
hex439e08ec

1134430444 has 48 divisors (see below), whose sum is σ = 2319383808. Its totient is φ = 475420608.

The previous prime is 1134430369. The next prime is 1134430463. The reversal of 1134430444 is 4440344311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513847 + ... + 516049.

It is an arithmetic number, because the mean of its divisors is an integer number (48320496).

Almost surely, 21134430444 is an apocalyptic number.

1134430444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1134430444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159691904).

1134430444 is an abundant number, since it is smaller than the sum of its proper divisors (1184953364).

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

1134430444 is a wasteful number, since it uses less digits than its factorization.

1134430444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1134430444 is about 33681.3070411467. The cubic root of 1134430444 is about 1042.9399198803.

Adding to 1134430444 its reverse (4440344311), we get a palindrome (5574774755).

The spelling of 1134430444 in words is "one billion, one hundred thirty-four million, four hundred thirty thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 53 106 212 347 371 694 742 1388 1484 2203 2429 4406 4858 8812 9716 15421 18391 30842 36782 61684 73564 116759 128737 233518 257474 467036 514948 764441 817313 1528882 1634626 3057764 3269252 5351087 10702174 21404348 40515373 81030746 162061492 283607611 567215222 1134430444