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89385258 = 23475632
BaseRepresentation
bin1010101001111…
…10100100101010
320020012020112010
411110332210222
5140340312013
612511500350
72133522264
oct524764452
9206166463
1089385258
1146501516
1225b276b6
13156981b1
14bc2ab34
157ca97c3
hex553e92a

89385258 has 24 divisors (see below), whose sum is σ = 182899008. Its totient is φ = 29109352.

The previous prime is 89385251. The next prime is 89385259. The reversal of 89385258 is 85258398.

It is not an unprimeable number, because it can be changed into a prime (89385251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158485 + ... + 159047.

It is an arithmetic number, because the mean of its divisors is an integer number (7620792).

Almost surely, 289385258 is an apocalyptic number.

89385258 is an abundant number, since it is smaller than the sum of its proper divisors (93513750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89385258 is an equidigital number, since it uses as much as digits as its factorization.

89385258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 615 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 89385258 is about 9454.3777161694. The cubic root of 89385258 is about 447.1178064843.

It can be divided in two parts, 8938 and 5258, that added together give a triangular number (14196 = T168).

The spelling of 89385258 in words is "eighty-nine million, three hundred eighty-five thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 47 94 141 282 563 1126 1689 3378 26461 52922 79383 158766 316969 633938 950907 1901814 14897543 29795086 44692629 89385258