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89006680 = 23571272503
BaseRepresentation
bin1010100111000…
…10001001011000
320012111000012201
411103202021120
5140241203210
612455415544
72130354460
oct523421130
9205430181
1089006680
1146273044
12259845b4
1315594a99
14bb6cba0
157c3253a
hex54e2258

89006680 has 64 divisors (see below), whose sum is σ = 230768640. Its totient is φ = 30264192.

The previous prime is 89006677. The next prime is 89006683. The reversal of 89006680 is 8660098.

It is an interprime number because it is at equal distance from previous prime (89006677) and next prime (89006683).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89006683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34309 + ... + 36811.

It is an arithmetic number, because the mean of its divisors is an integer number (3605760).

Almost surely, 289006680 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 89006680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115384320).

89006680 is an abundant number, since it is smaller than the sum of its proper divisors (141761960).

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

89006680 is a wasteful number, since it uses less digits than its factorization.

89006680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 89006680 is about 9434.3351647056. The cubic root of 89006680 is about 446.4856795027.

The spelling of 89006680 in words is "eighty-nine million, six thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 127 140 254 280 508 635 889 1016 1270 1778 2503 2540 3556 4445 5006 5080 7112 8890 10012 12515 17521 17780 20024 25030 35042 35560 50060 70084 87605 100120 140168 175210 317881 350420 635762 700840 1271524 1589405 2225167 2543048 3178810 4450334 6357620 8900668 11125835 12715240 17801336 22251670 44503340 89006680