Search a number
-
+
89379072 = 283367193
BaseRepresentation
bin1010101001111…
…01000100000000
320020011221001000
411110331010000
5140340112242
612511412000
72133465246
oct524750400
9206157030
1089379072
11464a7902
1225b24000
1315695433
14bc28796
157ca7a4c
hex553d100

89379072 has 144 divisors (see below), whose sum is σ = 269644480. Its totient is φ = 29196288.

The previous prime is 89379071. The next prime is 89379077. The reversal of 89379072 is 27097398.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89379071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463008 + ... + 463200.

Almost surely, 289379072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89379072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134822240).

89379072 is an abundant number, since it is smaller than the sum of its proper divisors (180265408).

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

89379072 is a wasteful number, since it uses less digits than its factorization.

89379072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 89379072 is about 9454.0505604741. The cubic root of 89379072 is about 447.1074918283.

The spelling of 89379072 in words is "eighty-nine million, three hundred seventy-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 67 72 96 108 128 134 144 192 193 201 216 256 268 288 384 386 402 432 536 576 579 603 768 772 804 864 1072 1152 1158 1206 1544 1608 1728 1737 1809 2144 2304 2316 2412 3088 3216 3456 3474 3618 4288 4632 4824 5211 6176 6432 6912 6948 7236 8576 9264 9648 10422 12352 12864 12931 13896 14472 17152 18528 19296 20844 24704 25728 25862 27792 28944 37056 38592 38793 41688 49408 51456 51724 55584 57888 74112 77184 77586 83376 103448 111168 115776 116379 148224 154368 155172 166752 206896 222336 231552 232758 310344 333504 349137 413792 444672 463104 465516 620688 667008 698274 827584 931032 1241376 1334016 1396548 1655168 1862064 2482752 2793096 3310336 3724128 4965504 5586192 7448256 9931008 11172384 14896512 22344768 29793024 44689536 89379072