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3005572240 = 245112417573
BaseRepresentation
bin1011001100100101…
…0110010010010000
321202110111220000101
42303021112102100
522123411302430
61214123502144
7134323641166
oct26311262220
97673456011
103005572240
111302626a00
126ba687954
1338b8b5918
14207257236
15128ce4dca
hexb3256490

3005572240 has 120 divisors (see below), whose sum is σ = 7869355704. Its totient is φ = 1066137600.

The previous prime is 3005572237. The next prime is 3005572249. The reversal of 3005572240 is 422755003.

It can be written as a sum of positive squares in 4 ways, for example, as 476286976 + 2529285264 = 21824^2 + 50292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3005572199 and 3005572208.

It is not an unprimeable number, because it can be changed into a prime (3005572249) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 393094 + ... + 400666.

Almost surely, 23005572240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3005572240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3934677852).

3005572240 is an abundant number, since it is smaller than the sum of its proper divisors (4863783464).

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

3005572240 is a wasteful number, since it uses less digits than its factorization.

3005572240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649 (or 7632 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 3005572240 is about 54823.0995110638. The cubic root of 3005572240 is about 1443.1419692113.

The spelling of 3005572240 in words is "three billion, five million, five hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 41 44 55 80 82 88 110 121 164 176 205 220 242 328 410 440 451 484 605 656 820 880 902 968 1210 1640 1804 1936 2255 2420 3280 3608 4510 4840 4961 7216 7573 9020 9680 9922 15146 18040 19844 24805 30292 36080 37865 39688 49610 60584 75730 79376 83303 99220 121168 151460 166606 198440 302920 310493 333212 396880 416515 605840 620986 666424 833030 916333 1241972 1332848 1552465 1666060 1832666 2483944 3104930 3332120 3415423 3665332 4581665 4967888 6209860 6664240 6830846 7330664 9163330 12419720 13661692 14661328 17077115 18326660 24839440 27323384 34154230 36653320 37569653 54646768 68308460 73306640 75139306 136616920 150278612 187848265 273233840 300557224 375696530 601114448 751393060 1502786120 3005572240