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89394284 = 227231271093
BaseRepresentation
bin1010101010000…
…00110001101100
320020012200220102
411111000301230
5140341104114
612512010232
72133560510
oct525006154
9206180812
1089394284
1146508281
1225b30978
131569c335
14bc30140
157cac2de
hex5540c6c

89394284 has 48 divisors (see below), whose sum is σ = 188203008. Its totient is φ = 36324288.

The previous prime is 89394251. The next prime is 89394287. The reversal of 89394284 is 48249398.

It is not an unprimeable number, because it can be changed into a prime (89394287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81242 + ... + 82334.

It is an arithmetic number, because the mean of its divisors is an integer number (3920896).

Almost surely, 289394284 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 89394284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94101504).

89394284 is an abundant number, since it is smaller than the sum of its proper divisors (98808724).

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

89394284 is a wasteful number, since it uses less digits than its factorization.

89394284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 1252 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 89394284 is about 9454.8550491269. The cubic root of 89394284 is about 447.1328557575.

The spelling of 89394284 in words is "eighty-nine million, three hundred ninety-four thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 23 28 46 92 127 161 254 322 508 644 889 1093 1778 2186 2921 3556 4372 5842 7651 11684 15302 20447 25139 30604 40894 50278 81788 100556 138811 175973 277622 351946 555244 703892 971677 1943354 3192653 3886708 6385306 12770612 22348571 44697142 89394284