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89087042 = 21189173263
BaseRepresentation
bin1010100111101…
…01110001000010
320012122002110002
411103311301002
5140301241132
612501240002
72131140662
oct523656102
9205562402
1089087042
1146318460
1225a03002
13155c2535
14bb901a2
157c4b262
hex54f5c42

89087042 has 32 divisors (see below), whose sum is σ = 148832640. Its totient is φ = 39656320.

The previous prime is 89087041. The next prime is 89087057. The reversal of 89087042 is 24078098.

It is a junction number, because it is equal to n+sod(n) for n = 89086987 and 89087005.

It is not an unprimeable number, because it can be changed into a prime (89087041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338603 + ... + 338865.

It is an arithmetic number, because the mean of its divisors is an integer number (4651020).

Almost surely, 289087042 is an apocalyptic number.

89087042 is a deficient number, since it is larger than the sum of its proper divisors (59745598).

89087042 is a wasteful number, since it uses less digits than its factorization.

89087042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 89087042 is about 9438.5932214499. The cubic root of 89087042 is about 446.6200128248.

The spelling of 89087042 in words is "eighty-nine million, eighty-seven thousand, forty-two".

Divisors: 1 2 11 22 89 173 178 263 346 526 979 1903 1958 2893 3806 5786 15397 23407 30794 45499 46814 90998 169367 257477 338734 500489 514954 1000978 4049411 8098822 44543521 89087042