Search a number
-
+
1030132260 = 223255722957
BaseRepresentation
bin111101011001101…
…001001000100100
32122210101010210200
4331121221020210
54102203213020
6250115150500
734345660023
oct7531511044
92583333720
101030132260
11489534683
12248ba5430
1313555a421
149ab528ba
1560684590
hex3d669224

1030132260 has 36 divisors (see below), whose sum is σ = 3124735068. Its totient is φ = 274701888.

The previous prime is 1030132249. The next prime is 1030132261. The reversal of 1030132260 is 622310301.

It can be written as a sum of positive squares in 2 ways, for example, as 109495296 + 920636964 = 10464^2 + 30342^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10301322602 = 2122344946185415200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1030132261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2861299 + ... + 2861658.

Almost surely, 21030132260 is an apocalyptic number.

1030132260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030132260 is an abundant number, since it is smaller than the sum of its proper divisors (2094602808).

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

1030132260 is a wasteful number, since it uses less digits than its factorization.

1030132260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722972 (or 5722967 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1030132260 is about 32095.6735402141. The cubic root of 1030132260 is about 1009.9448586045.

Adding to 1030132260 its reverse (622310301), we get a palindrome (1652442561).

The spelling of 1030132260 in words is "one billion, thirty million, one hundred thirty-two thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 5722957 11445914 17168871 22891828 28614785 34337742 51506613 57229570 68675484 85844355 103013226 114459140 171688710 206026452 257533065 343377420 515066130 1030132260