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89434770 = 2352981159
BaseRepresentation
bin1010101010010…
…10101010010010
320020021202102220
411111022222102
5140343403040
612512521510
72134116525
oct525125222
9206252386
1089434770
1146535737
1225b50296
13156b48a9
14bc40bbc
157cb92d0
hex554aa92

89434770 has 16 divisors (see below), whose sum is σ = 214643520. Its totient is φ = 23849264.

The previous prime is 89434769. The next prime is 89434771. The reversal of 89434770 is 7743498.

It is an interprime number because it is at equal distance from previous prime (89434769) and next prime (89434771).

It is not an unprimeable number, because it can be changed into a prime (89434771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490550 + ... + 1490609.

It is an arithmetic number, because the mean of its divisors is an integer number (13415220).

Almost surely, 289434770 is an apocalyptic number.

89434770 is an abundant number, since it is smaller than the sum of its proper divisors (125208750).

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

89434770 is a wasteful number, since it uses less digits than its factorization.

89434770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981169.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 89434770 is about 9456.9958231988. The cubic root of 89434770 is about 447.2003466075.

The spelling of 89434770 in words is "eighty-nine million, four hundred thirty-four thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2981159 5962318 8943477 14905795 17886954 29811590 44717385 89434770