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89757072 = 243469257
BaseRepresentation
bin1010101100110…
…01010110010000
320020220010120000
411112121112100
5140434211242
612523450000
72136631266
oct526312620
9206803500
1089757072
11467358a9
1226086900
13157984c2
14bcc6436
157d2ea4c
hex5599590

89757072 has 50 divisors (see below), whose sum is σ = 259786758. Its totient is φ = 29918592.

The previous prime is 89757061. The next prime is 89757089. The reversal of 89757072 is 27075798.

89757072 is a `hidden beast` number, since 8 + 9 + 7 + 570 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84934656 + 4822416 = 9216^2 + 2196^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33333 + ... + 35924.

Almost surely, 289757072 is an apocalyptic number.

It is an amenable number.

89757072 is an abundant number, since it is smaller than the sum of its proper divisors (170029686).

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

89757072 is a wasteful number, since it uses less digits than its factorization.

89757072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69277 (or 69262 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 89757072 is about 9474.0208992803. The cubic root of 89757072 is about 447.7369044090.

The spelling of 89757072 in words is "eighty-nine million, seven hundred fifty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 69257 138514 207771 277028 415542 554056 623313 831084 1108112 1246626 1662168 1869939 2493252 3324336 3739878 4986504 5609817 7479756 9973008 11219634 14959512 22439268 29919024 44878536 89757072