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872899404 = 22313232111153
BaseRepresentation
bin110100000001110…
…110001101001100
32020211111212212120
4310001312031030
53241430240104
6222341132540
730426344136
oct6401661514
92224455776
10872899404
11408802273
122043ba150
1310bac8330
1483d04056
1551976cd9
hex3407634c

872899404 has 96 divisors (see below), whose sum is σ = 2301648384. Its totient is φ = 255467520.

The previous prime is 872899399. The next prime is 872899421. The reversal of 872899404 is 404998278.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 756492 + ... + 757644.

It is an arithmetic number, because the mean of its divisors is an integer number (23975504).

Almost surely, 2872899404 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 872899404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150824192).

872899404 is an abundant number, since it is smaller than the sum of its proper divisors (1428748980).

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

872899404 is a wasteful number, since it uses less digits than its factorization.

872899404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 872899404 is about 29544.8710269651. The cubic root of 872899404 is about 955.6995884462.

The spelling of 872899404 in words is "eight hundred seventy-two million, eight hundred ninety-nine thousand, four hundred four".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 211 276 299 422 598 633 844 897 1153 1196 1266 1794 2306 2532 2743 3459 3588 4612 4853 5486 6918 8229 9706 10972 13836 14559 14989 16458 19412 26519 29118 29978 32916 44967 53038 58236 59956 63089 79557 89934 106076 126178 159114 179868 189267 243283 252356 318228 344747 378534 486566 689494 729849 757068 973132 1034241 1378988 1459698 2068482 2919396 3162679 4136964 5595509 6325358 9488037 11191018 12650716 16786527 18976074 22382036 33573054 37952148 67146108 72741617 145483234 218224851 290966468 436449702 872899404