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89071392 = 25319471039
BaseRepresentation
bin1010100111100…
…01111100100000
320012121021222110
411103301330200
5140300241032
612501035320
72131044234
oct523617440
9205537873
1089071392
1146307723
12259b5b40
13155b8387
14bb885c4
157c467cc
hex54f1f20

89071392 has 96 divisors (see below), whose sum is σ = 251596800. Its totient is φ = 27502848.

The previous prime is 89071379. The next prime is 89071399. The reversal of 89071392 is 29317098.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 89071392.

It is not an unprimeable number, because it can be changed into a prime (89071399) 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 15 ways as a sum of consecutive naturals, for example, 85209 + ... + 86247.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 289071392 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 89071392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125798400).

89071392 is an abundant number, since it is smaller than the sum of its proper divisors (162525408).

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

89071392 is a wasteful number, since it uses less digits than its factorization.

89071392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 89071392 is about 9437.7641419989. The cubic root of 89071392 is about 446.5938585814.

The spelling of 89071392 in words is "eighty-nine million, seventy-one thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 47 48 57 76 94 96 114 141 152 188 228 282 304 376 456 564 608 752 893 912 1039 1128 1504 1786 1824 2078 2256 2679 3117 3572 4156 4512 5358 6234 7144 8312 10716 12468 14288 16624 19741 21432 24936 28576 33248 39482 42864 48833 49872 59223 78964 85728 97666 99744 118446 146499 157928 195332 236892 292998 315856 390664 473784 585996 631712 781328 927827 947568 1171992 1562656 1855654 1895136 2343984 2783481 3711308 4687968 5566962 7422616 11133924 14845232 22267848 29690464 44535696 89071392