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89866972 = 221371101241
BaseRepresentation
bin1010101101101…
…00001011011100
320021002201022101
411112310023130
5141001220342
612530054444
72140566556
oct526641334
9207081271
1089866972
1146800428
122611a424
1315806530
14bd144d6
157d523b7
hex55b42dc

89866972 has 48 divisors (see below), whose sum is σ = 174170304. Its totient is φ = 40320000.

The previous prime is 89866967. The next prime is 89866991. The reversal of 89866972 is 27966898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372772 + ... + 373012.

It is an arithmetic number, because the mean of its divisors is an integer number (3628548).

Almost surely, 289866972 is an apocalyptic number.

It is an amenable number.

89866972 is a deficient number, since it is larger than the sum of its proper divisors (84303332).

89866972 is a wasteful number, since it uses less digits than its factorization.

89866972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 428 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 89866972 is about 9479.8191965881. The cubic root of 89866972 is about 447.9195686283.

The spelling of 89866972 in words is "eighty-nine million, eight hundred sixty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 13 26 52 71 101 142 202 241 284 404 482 923 964 1313 1846 2626 3133 3692 5252 6266 7171 12532 14342 17111 24341 28684 34222 48682 68444 93223 97364 186446 222443 316433 372892 444886 632866 889772 1265732 1728211 3456422 6912844 22466743 44933486 89866972