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89994219 = 3789179269
BaseRepresentation
bin1010101110100…
…11001111101011
320021100011212020
411113103033223
5141014303334
612532515523
72141636550
oct527231753
9207304766
1089994219
1146887a97
122617bba3
131584c423
14bd48a27
157d79e49
hex55d33eb

89994219 has 32 divisors (see below), whose sum is σ = 139968000. Its totient is φ = 50375424.

The previous prime is 89994097. The next prime is 89994257. The reversal of 89994219 is 91249998.

It is a happy number.

It is not a de Polignac number, because 89994219 - 225 = 56439787 is a prime.

It is a super-2 number, since 2×899942192 = 16197918906839922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89994259) 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 31 ways as a sum of consecutive naturals, for example, 334417 + ... + 334685.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000).

Almost surely, 289994219 is an apocalyptic number.

89994219 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

89994219 is a deficient number, since it is larger than the sum of its proper divisors (49973781).

89994219 is a wasteful number, since it uses less digits than its factorization.

89994219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its digits is 419904, while the sum is 51.

The square root of 89994219 is about 9486.5282901597. The cubic root of 89994219 is about 448.1308792648.

The spelling of 89994219 in words is "eighty-nine million, nine hundred ninety-four thousand, two hundred nineteen".

Divisors: 1 3 7 21 89 179 267 269 537 623 807 1253 1869 1883 3759 5649 15931 23941 47793 48151 71823 111517 144453 167587 334551 337057 502761 1011171 4285439 12856317 29998073 89994219