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872241280 = 2759191483
BaseRepresentation
bin110011111111010…
…101100010000000
32020210021110002121
4303333111202000
53241243210110
6222315054024
730420633331
oct6377254200
92223243077
10872241280
114083a2869
12204141314
1310b927901
1483bb2288
1551896cda
hex33fd5880

872241280 has 64 divisors (see below), whose sum is σ = 2088878400. Its totient is φ = 348281856.

The previous prime is 872241247. The next prime is 872241311. The reversal of 872241280 is 82142278.

872241280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587419 + ... + 588901.

It is an arithmetic number, because the mean of its divisors is an integer number (32638725).

Almost surely, 2872241280 is an apocalyptic number.

872241280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872241280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044439200).

872241280 is an abundant number, since it is smaller than the sum of its proper divisors (1216637120).

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

872241280 is a wasteful number, since it uses less digits than its factorization.

872241280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2409 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 872241280 is about 29533.7312238058. The cubic root of 872241280 is about 955.4593442783.

The spelling of 872241280 in words is "eight hundred seventy-two million, two hundred forty-one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 919 1483 1838 2966 3676 4595 5932 7352 7415 9190 11864 14704 14830 18380 23728 29408 29660 36760 47456 58816 59320 73520 94912 117632 118640 147040 189824 237280 294080 474560 588160 949120 1362877 2725754 5451508 6814385 10903016 13628770 21806032 27257540 43612064 54515080 87224128 109030160 174448256 218060320 436120640 872241280