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89070912 = 2632722091
BaseRepresentation
bin1010100111100…
…01110101000000
320012121021022200
411103301311000
5140300232122
612501033200
72131042650
oct523616500
9205537280
1089070912
1146307327
12259b5800
13155b80a8
14bb88360
157c465ac
hex54f1d40

89070912 has 84 divisors (see below), whose sum is σ = 291791136. Its totient is φ = 25447680.

The previous prime is 89070911. The next prime is 89070979. The reversal of 89070912 is 21907098.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89070911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7014 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (3473704).

Almost surely, 289070912 is an apocalyptic number.

It is an amenable number.

89070912 is an abundant number, since it is smaller than the sum of its proper divisors (202720224).

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

89070912 is a wasteful number, since it uses less digits than its factorization.

89070912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22116 (or 22103 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 89070912 is about 9437.7387122128. The cubic root of 89070912 is about 446.5930563582.

The spelling of 89070912 in words is "eighty-nine million, seventy thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 168 192 224 252 288 336 448 504 576 672 1008 1344 2016 4032 22091 44182 66273 88364 132546 154637 176728 198819 265092 309274 353456 397638 463911 530184 618548 706912 795276 927822 1060368 1237096 1391733 1413824 1590552 1855644 2120736 2474192 2783466 3181104 3711288 4241472 4948384 5566932 6362208 7422576 9896768 11133864 12724416 14845152 22267728 29690304 44535456 89070912