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89509536 = 25371279
BaseRepresentation
bin1010101010111…
…00111010100000
320020102120000000
411111130322200
5140403301121
612514300000
72134550514
oct525347240
9206376000
1089509536
1146586926
1225b87600
131570c92c
14bc60144
157cd1526
hex555cea0

89509536 has 96 divisors (see below), whose sum is σ = 264499200. Its totient is φ = 29813184.

The previous prime is 89509529. The next prime is 89509561. The reversal of 89509536 is 63590598.

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

It is a junction number, because it is equal to n+sod(n) for n = 89509491 and 89509500.

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, 69345 + ... + 70623.

It is an arithmetic number, because the mean of its divisors is an integer number (2755200).

Almost surely, 289509536 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 89509536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132249600).

89509536 is an abundant number, since it is smaller than the sum of its proper divisors (174989664).

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

89509536 is an equidigital number, since it uses as much as digits as its factorization.

89509536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 89509536 is about 9460.9479440487. The cubic root of 89509536 is about 447.3249292811.

The spelling of 89509536 in words is "eighty-nine million, five hundred nine thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 729 864 972 1279 1296 1458 1944 2187 2558 2592 2916 3837 3888 4374 5116 5832 7674 7776 8748 10232 11511 11664 15348 17496 20464 23022 23328 30696 34533 34992 40928 46044 61392 69066 69984 92088 103599 122784 138132 184176 207198 276264 310797 368352 414396 552528 621594 828792 932391 1105056 1243188 1657584 1864782 2486376 2797173 3315168 3729564 4972752 5594346 7459128 9945504 11188692 14918256 22377384 29836512 44754768 89509536