Search a number
-
+
43025130 = 23251761461
BaseRepresentation
bin1010010000100…
…0001011101010
32222221220101100
42210020023222
542003301010
64134102230
71031464461
oct244101352
988856340
1043025130
1122317465
12124aa976
138bb5775
1459dd9d8
153b9d2c0
hex29082ea

43025130 has 96 divisors (see below), whose sum is σ = 120648528. Its totient is φ = 10598400.

The previous prime is 43025093. The next prime is 43025131. The reversal of 43025130 is 3152034.

It can be written as a sum of positive squares in 8 ways, for example, as 8767521 + 34257609 = 2961^2 + 5853^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43025131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93100 + ... + 93560.

Almost surely, 243025130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43025130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60324264).

43025130 is an abundant number, since it is smaller than the sum of its proper divisors (77623398).

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

43025130 is a wasteful number, since it uses less digits than its factorization.

43025130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 43025130 is about 6559.3543889624. The cubic root of 43025130 is about 350.4080411146.

Adding to 43025130 its reverse (3152034), we get a palindrome (46177164).

The spelling of 43025130 in words is "forty-three million, twenty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 61 85 90 102 122 153 170 183 255 305 306 366 461 510 549 610 765 915 922 1037 1098 1383 1530 1830 2074 2305 2745 2766 3111 4149 4610 5185 5490 6222 6915 7837 8298 9333 10370 13830 15555 15674 18666 20745 23511 28121 31110 39185 41490 46665 47022 56242 70533 78370 84363 93330 117555 140605 141066 168726 235110 253089 281210 352665 421815 478057 506178 705330 843630 956114 1265445 1434171 2390285 2530890 2868342 4302513 4780570 7170855 8605026 14341710 21512565 43025130