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87225715600 = 2452147672
BaseRepresentation
bin101000100111100001…
…1101100101110010000
322100010220120110101021
41101033003230232100
52412114240344400
6104023153445224
76205351230562
oct1211703545620
9270126513337
1087225715600
1133aa0708171
1214aa3870814
1382c1129b8a
14431668d332
152407a2171a
hex144f0ecb90

87225715600 has 45 divisors (see below), whose sum is σ = 209573973777. Its totient is φ = 34887923520.

The previous prime is 87225715589. The next prime is 87225715627. The reversal of 87225715600 is 651752278.

The square root of 87225715600 is 295340.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31401257616 + 55824457984 = 177204^2 + 236272^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5899417 + ... + 5914183.

Almost surely, 287225715600 is an apocalyptic number.

87225715600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

87225715600 is the 295340-th square number.

It is an amenable number.

87225715600 is an abundant number, since it is smaller than the sum of its proper divisors (122348258177).

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

87225715600 is an frugal number, since it uses more digits than its factorization.

87225715600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29552 (or 14774 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 87225715600 in words is "eighty-seven billion, two hundred twenty-five million, seven hundred fifteen thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 14767 29534 59068 73835 118136 147670 236272 295340 369175 590680 738350 1181360 1476700 2953400 5906800 218064289 436128578 872257156 1090321445 1744514312 2180642890 3489028624 4361285780 5451607225 8722571560 10903214450 17445143120 21806428900 43612857800 87225715600