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2725628064 = 253232191281
BaseRepresentation
bin1010001001110101…
…1100100010100000
321000221202020210120
42202131130202200
521040230044224
61130243400240
7124354312335
oct24235344240
97027666716
102725628064
111179600785
12640983080
133458ba793
141bbdc498c
1510e448779
hexa275c8a0

2725628064 has 144 divisors (see below), whose sum is σ = 7545291264. Its totient is φ = 861414400.

The previous prime is 2725628063. The next prime is 2725628077. The reversal of 2725628064 is 4608265272.

It is not an unprimeable number, because it can be changed into a prime (2725628063) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9699604 + ... + 9699884.

It is an arithmetic number, because the mean of its divisors is an integer number (52397856).

Almost surely, 22725628064 is an apocalyptic number.

2725628064 is a gapful number since it is divisible by the number (24) 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 2725628064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3772645632).

2725628064 is an abundant number, since it is smaller than the sum of its proper divisors (4819663200).

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

2725628064 is a wasteful number, since it uses less digits than its factorization.

2725628064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 2725628064 is about 52207.5479600412. The cubic root of 2725628064 is about 1396.8685219144.

The spelling of 2725628064 in words is "two billion, seven hundred twenty-five million, six hundred twenty-eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 191 276 281 368 382 529 552 562 573 736 764 843 1058 1104 1124 1146 1528 1587 1686 2116 2208 2248 2292 3056 3174 3372 4232 4393 4496 4584 6112 6348 6463 6744 8464 8786 8992 9168 12696 12926 13179 13488 16928 17572 18336 19389 25392 25852 26358 26976 35144 38778 50784 51704 52716 53671 70288 77556 101039 103408 105432 107342 140576 148649 155112 161013 202078 206816 210864 214684 297298 303117 310224 322026 404156 421728 429368 445947 594596 606234 620448 644052 808312 858736 891894 1189192 1212468 1234433 1288104 1616624 1717472 1783788 2378384 2424936 2468866 2576208 3233248 3567576 3703299 4756768 4849872 4937732 5152416 7135152 7406598 9699744 9875464 14270304 14813196 19750928 28391959 29626392 39501856 56783918 59252784 85175877 113567836 118505568 170351754 227135672 340703508 454271344 681407016 908542688 1362814032 2725628064