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89858972 = 2275475867
BaseRepresentation
bin1010101101100…
…10001110011100
320021002022100002
411112302032130
5141000441342
612525553432
72140534340
oct526621634
9207068302
1089858972
11467a5415
1226115878
13158029b8
14bd11620
157d4ed32
hex55b239c

89858972 has 24 divisors (see below), whose sum is σ = 180077184. Its totient is φ = 38434032.

The previous prime is 89858969. The next prime is 89859001. The reversal of 89858972 is 27985898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12383 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (7503216).

Almost surely, 289858972 is an apocalyptic number.

It is an amenable number.

89858972 is an abundant number, since it is smaller than the sum of its proper divisors (90218212).

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

89858972 is a wasteful number, since it uses less digits than its factorization.

89858972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6423 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 56.

The square root of 89858972 is about 9479.3972382214. The cubic root of 89858972 is about 447.9062768972.

The spelling of 89858972 in words is "eighty-nine million, eight hundred fifty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 547 1094 2188 3829 5867 7658 11734 15316 23468 41069 82138 164276 3209249 6418498 12836996 22464743 44929486 89858972