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89894070 = 2335747563
BaseRepresentation
bin1010101101110…
…10110010110110
320021011002111000
411112322302312
5141003102240
612530424130
72141041560
oct526726266
9207132430
1089894070
1146819822
1226132046
1315815976
14bd20330
157d5a430
hex55bacb6

89894070 has 64 divisors (see below), whose sum is σ = 273968640. Its totient is φ = 20546784.

The previous prime is 89894047. The next prime is 89894083. The reversal of 89894070 is 7049898.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21892 + ... + 25671.

It is an arithmetic number, because the mean of its divisors is an integer number (4280760).

Almost surely, 289894070 is an apocalyptic number.

89894070 is an abundant number, since it is smaller than the sum of its proper divisors (184074570).

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

89894070 is a wasteful number, since it uses less digits than its factorization.

89894070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47586 (or 47580 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 89894070 is about 9481.2483355305. The cubic root of 89894070 is about 447.9645851841.

The spelling of 89894070 in words is "eighty-nine million, eight hundred ninety-four thousand, seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 47563 95126 142689 237815 285378 332941 428067 475630 665882 713445 856134 998823 1284201 1426890 1664705 1997646 2140335 2568402 2996469 3329410 4280670 4994115 5992938 6421005 8989407 9988230 12842010 14982345 17978814 29964690 44947035 89894070