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89444080 = 24511101641
BaseRepresentation
bin1010101010011…
…00111011110000
320020022020012201
411111030323300
5140344202310
612513032544
72134155625
oct525147360
9206266181
1089444080
1146541730
1225b55754
13156b8bbb
14bc4434c
157cbbe3a
hex554cef0

89444080 has 40 divisors (see below), whose sum is σ = 226864944. Its totient is φ = 32524800.

The previous prime is 89444063. The next prime is 89444119. The reversal of 89444080 is 8044498.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49941 + ... + 51700.

Almost surely, 289444080 is an apocalyptic number.

89444080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89444080 is an abundant number, since it is smaller than the sum of its proper divisors (137420864).

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

89444080 is a wasteful number, since it uses less digits than its factorization.

89444080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101665 (or 101659 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 89444080 is about 9457.4880385861. The cubic root of 89444080 is about 447.2158636551.

The spelling of 89444080 in words is "eighty-nine million, four hundred forty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 101641 203282 406564 508205 813128 1016410 1118051 1626256 2032820 2236102 4065640 4472204 5590255 8131280 8944408 11180510 17888816 22361020 44722040 89444080