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89434120 = 23523412371
BaseRepresentation
bin1010101010010…
…10100000001000
320020021201112211
411111022200020
5140343342440
612512514504
72134114606
oct525124010
9206251484
1089434120
11465351a6
1225b4ba34
13156b44c9
14bc40876
157cb8eea
hex554a808

89434120 has 64 divisors (see below), whose sum is σ = 215187840. Its totient is φ = 33369600.

The previous prime is 89434099. The next prime is 89434123. The reversal of 89434120 is 2143498.

89434120 = 4872 + 4882 + ... + 7262.

It is not an unprimeable number, because it can be changed into a prime (89434123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36535 + ... + 38905.

It is an arithmetic number, because the mean of its divisors is an integer number (3362310).

Almost surely, 289434120 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 89434120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107593920).

89434120 is an abundant number, since it is smaller than the sum of its proper divisors (125753720).

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

89434120 is a wasteful number, since it uses less digits than its factorization.

89434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 89434120 is about 9456.9614570432. The cubic root of 89434120 is about 447.1992632073.

The spelling of 89434120 in words is "eighty-nine million, four hundred thirty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 41 46 82 92 115 164 184 205 230 328 410 460 820 920 943 1640 1886 2371 3772 4715 4742 7544 9430 9484 11855 18860 18968 23710 37720 47420 54533 94840 97211 109066 194422 218132 272665 388844 436264 486055 545330 777688 972110 1090660 1944220 2181320 2235853 3888440 4471706 8943412 11179265 17886824 22358530 44717060 89434120