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89479023 = 347634603
BaseRepresentation
bin1010101010101…
…01011101101111
320020101000010220
411111111131233
5140401312043
612513502423
72134362534
oct525253557
9206330126
1089479023
1146565a07
1225b71a13
13156cba8a
14bc52d8b
157cc7483
hex555576f

89479023 has 8 divisors (see below), whose sum is σ = 121843968. Its totient is φ = 58383384.

The previous prime is 89478959. The next prime is 89479043. The reversal of 89479023 is 32097498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89479023 - 26 = 89478959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89479043) 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 7 ways as a sum of consecutive naturals, for example, 317161 + ... + 317442.

It is an arithmetic number, because the mean of its divisors is an integer number (15230496).

Almost surely, 289479023 is an apocalyptic number.

89479023 is a deficient number, since it is larger than the sum of its proper divisors (32364945).

89479023 is a wasteful number, since it uses less digits than its factorization.

89479023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634653.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 89479023 is about 9459.3352303426. The cubic root of 89479023 is about 447.2740938155.

The spelling of 89479023 in words is "eighty-nine million, four hundred seventy-nine thousand, twenty-three".

Divisors: 1 3 47 141 634603 1903809 29826341 89479023