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800242530 = 235172961887
BaseRepresentation
bin101111101100101…
…011101101100010
32001202210112101020
4233230223231202
53114330230110
6211223550310
725554643413
oct5754535542
92052715336
10800242530
1138079706a
121a3bbb396
13c9a393b9
14783cd80a
154a3c3d70
hex2fb2bb62

800242530 has 128 divisors (see below), whose sum is σ = 2140577280. Its totient is φ = 190525440.

The previous prime is 800242523. The next prime is 800242537. The reversal of 800242530 is 35242008.

It is an interprime number because it is at equal distance from previous prime (800242523) and next prime (800242537).

It is a self number, because there is not a number n which added to its sum of digits gives 800242530.

It is not an unprimeable number, because it can be changed into a prime (800242537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 901747 + ... + 902633.

It is an arithmetic number, because the mean of its divisors is an integer number (16723260).

Almost surely, 2800242530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800242530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070288640).

800242530 is an abundant number, since it is smaller than the sum of its proper divisors (1340334750).

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

800242530 is a wasteful number, since it uses less digits than its factorization.

800242530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 800242530 is about 28288.5582877601. The cubic root of 800242530 is about 928.4115676225.

Adding to 800242530 its reverse (35242008), we get a palindrome (835484538).

The spelling of 800242530 in words is "eight hundred million, two hundred forty-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 29 30 34 51 58 61 85 87 102 122 145 170 174 183 255 290 305 366 435 493 510 610 870 887 915 986 1037 1479 1769 1774 1830 2074 2465 2661 2958 3111 3538 4435 4930 5185 5307 5322 6222 7395 8845 8870 10370 10614 13305 14790 15079 15555 17690 25723 26535 26610 30073 30158 31110 45237 51446 53070 54107 60146 75395 77169 90219 90474 108214 128615 150365 150790 154338 162321 180438 226185 257230 270535 300730 324642 385845 437291 451095 452370 541070 771690 811605 874582 902190 919819 1311873 1569103 1623210 1839638 2186455 2623746 2759457 3138206 4372910 4599095 4707309 5518914 6559365 7845515 9198190 9414618 13118730 13797285 15691030 23536545 26674751 27594570 47073090 53349502 80024253 133373755 160048506 266747510 400121265 800242530