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89650680 = 23357106727
BaseRepresentation
bin1010101011111…
…11010111111000
320020200201121120
411111333113320
5140422310210
612521305240
72136006150
oct525772770
9206621546
1089650680
1146672979
1226035220
131575bc52
14bc99760
157d0d270
hex557f5f8

89650680 has 64 divisors (see below), whose sum is σ = 307376640. Its totient is φ = 20491392.

The previous prime is 89650669. The next prime is 89650681. The reversal of 89650680 is 8605698.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89650681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52524 + ... + 54203.

It is an arithmetic number, because the mean of its divisors is an integer number (4802760).

Almost surely, 289650680 is an apocalyptic number.

It is an amenable number.

89650680 is an abundant number, since it is smaller than the sum of its proper divisors (217725960).

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

89650680 is a wasteful number, since it uses less digits than its factorization.

89650680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106748 (or 106744 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 89650680 is about 9468.4043006200. The cubic root of 89650680 is about 447.5599287218.

The spelling of 89650680 in words is "eighty-nine million, six hundred fifty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 106727 213454 320181 426908 533635 640362 747089 853816 1067270 1280724 1494178 1600905 2134540 2241267 2561448 2988356 3201810 3735445 4269080 4482534 5976712 6403620 7470890 8965068 11206335 12807240 14941780 17930136 22412670 29883560 44825340 89650680