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89376560 = 24571312277
BaseRepresentation
bin1010101001111…
…00011100110000
320020011210120222
411110330130300
5140340022220
612511352212
72133455030
oct524743460
9206153528
1089376560
11464a5a29
1225b22668
1315694250
14bc278c0
157ca6e25
hex553c730

89376560 has 80 divisors (see below), whose sum is σ = 255775296. Its totient is φ = 28283904.

The previous prime is 89376527. The next prime is 89376577. The reversal of 89376560 is 6567398.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1142 + ... + 13418.

Almost surely, 289376560 is an apocalyptic number.

89376560 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 89376560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127887648).

89376560 is an abundant number, since it is smaller than the sum of its proper divisors (166398736).

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

89376560 is a wasteful number, since it uses less digits than its factorization.

89376560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310 (or 12304 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 89376560 is about 9453.9177064326. The cubic root of 89376560 is about 447.1033031351.

The spelling of 89376560 in words is "eighty-nine million, three hundred seventy-six thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1040 1456 1820 3640 7280 12277 24554 49108 61385 85939 98216 122770 159601 171878 196432 245540 319202 343756 429695 491080 638404 687512 798005 859390 982160 1117207 1276808 1375024 1596010 1718780 2234414 2553616 3192020 3437560 4468828 5586035 6384040 6875120 8937656 11172070 12768080 17875312 22344140 44688280 89376560