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89457988 = 2234764451
BaseRepresentation
bin1010101010100…
…00010101000100
320020022221021211
411111100111010
5140400123423
612513221204
72134244314
oct525202504
9206287254
1089457988
1146551124
1225b61804
13156c2329
14bc49444
157cc110d
hex5550544

89457988 has 12 divisors (see below), whose sum is σ = 157005072. Its totient is φ = 44599400.

The previous prime is 89457937. The next prime is 89457989. The reversal of 89457988 is 88975498.

It is not an unprimeable number, because it can be changed into a prime (89457989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30838 + ... + 33613.

It is an arithmetic number, because the mean of its divisors is an integer number (13083756).

Almost surely, 289457988 is an apocalyptic number.

It is an amenable number.

89457988 is a deficient number, since it is larger than the sum of its proper divisors (67547084).

89457988 is a wasteful number, since it uses less digits than its factorization.

89457988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64802 (or 64800 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The square root of 89457988 is about 9458.2233003879. The cubic root of 89457988 is about 447.2390422187.

The spelling of 89457988 in words is "eighty-nine million, four hundred fifty-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 4 347 694 1388 64451 128902 257804 22364497 44728994 89457988