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89650829 = 432084903
BaseRepresentation
bin1010101011111…
…11011010001101
320020200201211002
411111333122031
5140422311304
612521310045
72136006452
oct525773215
9206621732
1089650829
1146672aa4
1226035325
131575c038
14bc99829
157d0d31e
hex557f68d

89650829 has 4 divisors (see below), whose sum is σ = 91735776. Its totient is φ = 87565884.

The previous prime is 89650823. The next prime is 89650837. The reversal of 89650829 is 92805698.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92805698 = 246402849.

It is a cyclic number.

It is not a de Polignac number, because 89650829 - 220 = 88602253 is a prime.

It is a super-2 number, since 2×896508292 = 16074542280774482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89650823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042409 + ... + 1042494.

It is an arithmetic number, because the mean of its divisors is an integer number (22933944).

Almost surely, 289650829 is an apocalyptic number.

It is an amenable number.

89650829 is a deficient number, since it is larger than the sum of its proper divisors (2084947).

89650829 is a wasteful number, since it uses less digits than its factorization.

89650829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084946.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 89650829 is about 9468.4121688908. The cubic root of 89650829 is about 447.5601766708.

The spelling of 89650829 in words is "eighty-nine million, six hundred fifty thousand, eight hundred twenty-nine".

Divisors: 1 43 2084903 89650829