Search a number
-
+
260030340 = 223251444613
BaseRepresentation
bin11110111111110…
…11111110000100
3200010021220120100
433133323332010
51013031432330
641445204100
76305135643
oct1737737604
9603256510
10260030340
11123864709
1273100630
1341b4500b
142676b35a
1517c66060
hexf7fbf84

260030340 has 36 divisors (see below), whose sum is σ = 788759244. Its totient is φ = 69341376.

The previous prime is 260030311. The next prime is 260030357. The reversal of 260030340 is 43030062.

260030340 is a `hidden beast` number, since 2 + 600 + 30 + 34 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 190274436 + 69755904 = 13794^2 + 8352^2 .

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722127 + ... + 722486.

It is an arithmetic number, because the mean of its divisors is an integer number (21909979).

Almost surely, 2260030340 is an apocalyptic number.

260030340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260030340 is an abundant number, since it is smaller than the sum of its proper divisors (528728904).

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

260030340 is a wasteful number, since it uses less digits than its factorization.

260030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444628 (or 1444623 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 260030340 is about 16125.4562726144. The cubic root of 260030340 is about 638.2752552256.

The spelling of 260030340 in words is "two hundred sixty million, thirty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1444613 2889226 4333839 5778452 7223065 8667678 13001517 14446130 17335356 21669195 26003034 28892260 43338390 52006068 65007585 86676780 130015170 260030340