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89031418 = 27411091423
BaseRepresentation
bin1010100111010…
…00001011111010
320012112021010221
411103220023322
5140243001133
612500130254
72130516550
oct523501372
9205467127
1089031418
114628a693
122599698a
13155a3118
14bb77bd0
157c39a2d
hex54e82fa

89031418 has 32 divisors (see below), whose sum is σ = 157893120. Its totient is φ = 36858240.

The previous prime is 89031407. The next prime is 89031419. The reversal of 89031418 is 81413098.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (89031419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61855 + ... + 63277.

It is an arithmetic number, because the mean of its divisors is an integer number (4934160).

Almost surely, 289031418 is an apocalyptic number.

89031418 is a deficient number, since it is larger than the sum of its proper divisors (68861702).

89031418 is a wasteful number, since it uses less digits than its factorization.

89031418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 89031418 is about 9435.6461357980. The cubic root of 89031418 is about 446.5270402171.

The spelling of 89031418 in words is "eighty-nine million, thirty-one thousand, four hundred eighteen".

Divisors: 1 2 7 14 41 82 109 218 287 574 763 1423 1526 2846 4469 8938 9961 19922 31283 58343 62566 116686 155107 310214 408401 816802 1085749 2171498 6359387 12718774 44515709 89031418