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89081760 = 2535238069
BaseRepresentation
bin1010100111101…
…00011110100000
320012121211012110
411103310132200
5140301104020
612501155320
72131116405
oct523643640
9205554173
1089081760
1146314499
12259bbb40
13155c0001
14bb8c2ac
157c498e0
hex54f47a0

89081760 has 96 divisors (see below), whose sum is σ = 292844160. Its totient is φ = 22719488.

The previous prime is 89081731. The next prime is 89081789. The reversal of 89081760 is 6718098.

It is an interprime number because it is at equal distance from previous prime (89081731) and next prime (89081789).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7006 + ... + 15074.

It is an arithmetic number, because the mean of its divisors is an integer number (3050460).

Almost surely, 289081760 is an apocalyptic number.

89081760 is a gapful number since it is divisible by the number (80) 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 89081760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146422080).

89081760 is an abundant number, since it is smaller than the sum of its proper divisors (203762400).

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

89081760 is a wasteful number, since it uses less digits than its factorization.

89081760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110 (or 8102 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 89081760 is about 9438.3134086552. The cubic root of 89081760 is about 446.6111859012.

The spelling of 89081760 in words is "eighty-nine million, eighty-one thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1104 1380 1840 2208 2760 3680 5520 8069 11040 16138 24207 32276 40345 48414 64552 80690 96828 121035 129104 161380 185587 193656 242070 258208 322760 371174 387312 484140 556761 645520 742348 774624 927935 968280 1113522 1291040 1484696 1855870 1936560 2227044 2783805 2969392 3711740 3873120 4454088 5567610 5938784 7423480 8908176 11135220 14846960 17816352 22270440 29693920 44540880 89081760