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89739345 = 3517351919
BaseRepresentation
bin1010101100101…
…01000001010001
320020212020020110
411112111001101
5140433124340
612523231533
72136525513
oct526250121
9206766213
1089739345
1146723553
12260785a9
1315790407
14bcbdbb3
157d29680
hex5595051

89739345 has 16 divisors (see below), whose sum is σ = 152029440. Its totient is φ = 45045504.

The previous prime is 89739341. The next prime is 89739347. The reversal of 89739345 is 54393798.

It is not a de Polignac number, because 89739345 - 22 = 89739341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89739294 and 89739303.

It is not an unprimeable number, because it can be changed into a prime (89739341) 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, 175705 + ... + 176214.

It is an arithmetic number, because the mean of its divisors is an integer number (9501840).

Almost surely, 289739345 is an apocalyptic number.

89739345 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

89739345 is a deficient number, since it is larger than the sum of its proper divisors (62290095).

89739345 is a wasteful number, since it uses less digits than its factorization.

89739345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351944.

The product of its digits is 816480, while the sum is 48.

The square root of 89739345 is about 9473.0852946651. The cubic root of 89739345 is about 447.7074264915.

The spelling of 89739345 in words is "eighty-nine million, seven hundred thirty-nine thousand, three hundred forty-five".

Divisors: 1 3 5 15 17 51 85 255 351919 1055757 1759595 5278785 5982623 17947869 29913115 89739345