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8390560000 = 28542292
BaseRepresentation
bin1111101000001110…
…11100100100000000
3210122202022121111111
413310013130210000
5114140440410000
63504330453104
7414632404024
oct76407344400
923582277444
108390560000
113616285a09
121761b94194
13a3942aa04
145984d2384
15341946cba
hex1f41dc900

8390560000 has 135 divisors (see below), whose sum is σ = 21020522061. Its totient is φ = 3341568000.

The previous prime is 8390559953. The next prime is 8390560021. The reversal of 8390560000 is 650938.

The square root of 8390560000 is 91600.

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

It can be written as a sum of positive squares in 7 ways, for example, as 2284075264 + 6106484736 = 47792^2 + 78144^2 .

It is a super-2 number, since 2×83905600002 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 36639886 + ... + 36640114.

Almost surely, 28390560000 is an apocalyptic number.

8390560000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

8390560000 is the 91600-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8390560000

8390560000 is an abundant number, since it is smaller than the sum of its proper divisors (12629962061).

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

8390560000 is an frugal number, since it uses more digits than its factorization.

8390560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The cubic root of 8390560000 is about 2032.0309375908.

The spelling of 8390560000 in words is "eight billion, three hundred ninety million, five hundred sixty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 229 250 256 320 400 458 500 625 640 800 916 1000 1145 1250 1280 1600 1832 2000 2290 2500 3200 3664 4000 4580 5000 5725 6400 7328 8000 9160 10000 11450 14656 16000 18320 20000 22900 28625 29312 32000 36640 40000 45800 52441 57250 58624 73280 80000 91600 104882 114500 143125 146560 160000 183200 209764 229000 262205 286250 293120 366400 419528 458000 524410 572500 732800 839056 916000 1048820 1145000 1311025 1465600 1678112 1832000 2097640 2290000 2622050 3356224 3664000 4195280 4580000 5244100 6555125 6712448 7328000 8390560 9160000 10488200 13110250 13424896 16781120 18320000 20976400 26220500 32775625 33562240 36640000 41952800 52441000 65551250 67124480 83905600 104882000 131102500 167811200 209764000 262205000 335622400 419528000 524410000 839056000 1048820000 1678112000 2097640000 4195280000 8390560000