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89214378 = 23112358771
BaseRepresentation
bin1010101000101…
…00110110101010
320012212120010020
411110110312222
5140314330003
612504101310
72132211141
oct524246652
9205776106
1089214378
11463a50a0
1225a64836
1315638496
14bbc4758
157c73d53
hex5514daa

89214378 has 32 divisors (see below), whose sum is σ = 203116032. Its totient is φ = 25858800.

The previous prime is 89214371. The next prime is 89214403. The reversal of 89214378 is 87341298.

It is not an unprimeable number, because it can be changed into a prime (89214371) 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, 27868 + ... + 30903.

It is an arithmetic number, because the mean of its divisors is an integer number (6347376).

Almost surely, 289214378 is an apocalyptic number.

89214378 is an abundant number, since it is smaller than the sum of its proper divisors (113901654).

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

89214378 is a wasteful number, since it uses less digits than its factorization.

89214378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58810.

The product of its digits is 96768, while the sum is 42.

The square root of 89214378 is about 9445.3363095233. The cubic root of 89214378 is about 446.8327026848.

Subtracting from 89214378 its reverse (87341298), we obtain a triangular number (1873080 = T1935).

The spelling of 89214378 in words is "eighty-nine million, two hundred fourteen thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 58771 117542 176313 352626 646481 1292962 1351733 1939443 2703466 3878886 4055199 8110398 14869063 29738126 44607189 89214378