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89605133 = 148760259
BaseRepresentation
bin1010101011101…
…00010000001101
320020121102010122
411111310100031
5140414331013
612520314325
72135426312
oct525642015
9206542118
1089605133
1146641732
12260129a5
13157442b7
14bc86d09
157ceea08
hex557440d

89605133 has 4 divisors (see below), whose sum is σ = 89666880. Its totient is φ = 89543388.

The previous prime is 89605069. The next prime is 89605141. The reversal of 89605133 is 33150698.

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.

It is a cyclic number.

It is not a de Polignac number, because 89605133 - 26 = 89605069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89605093 and 89605102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89605183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28643 + ... + 31616.

It is an arithmetic number, because the mean of its divisors is an integer number (22416720).

Almost surely, 289605133 is an apocalyptic number.

It is an amenable number.

89605133 is a deficient number, since it is larger than the sum of its proper divisors (61747).

89605133 is a wasteful number, since it uses less digits than its factorization.

89605133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61746.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 89605133 is about 9465.9987851256. The cubic root of 89605133 is about 447.4841216550.

The spelling of 89605133 in words is "eighty-nine million, six hundred five thousand, one hundred thirty-three".

Divisors: 1 1487 60259 89605133