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89347328 = 28773683
BaseRepresentation
bin1010101001101…
…01010100000000
320020010022111022
411110311110000
5140333103303
612511005012
72133303560
oct524652400
9206108438
1089347328
1146485a74
1225b09768
1315683b55
14bc1ada0
157c9d438
hex5535500

89347328 has 72 divisors (see below), whose sum is σ = 206918208. Its totient is φ = 37711872.

The previous prime is 89347303. The next prime is 89347331. The reversal of 89347328 is 82374398.

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, 130475 + ... + 131157.

It is an arithmetic number, because the mean of its divisors is an integer number (2873864).

Almost surely, 289347328 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 89347328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103459104).

89347328 is an abundant number, since it is smaller than the sum of its proper divisors (117570880).

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

89347328 is an equidigital number, since it uses as much as digits as its factorization.

89347328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 765 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 89347328 is about 9452.3715542714. The cubic root of 89347328 is about 447.0545537803.

The spelling of 89347328 in words is "eighty-nine million, three hundred forty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 73 112 128 146 224 256 292 448 511 584 683 896 1022 1168 1366 1792 2044 2336 2732 4088 4672 4781 5464 8176 9344 9562 10928 16352 18688 19124 21856 32704 38248 43712 49859 65408 76496 87424 99718 130816 152992 174848 199436 305984 349013 398872 611968 698026 797744 1223936 1396052 1595488 2792104 3190976 5584208 6381952 11168416 12763904 22336832 44673664 89347328