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89242944 = 2637232887
BaseRepresentation
bin1010101000110…
…11110101000000
320012221000022020
411110123311000
5140321233234
612504441440
72132360340
oct524336500
9205830266
1089242944
11464145aa
1225a79280
131564849b
14bbd0d20
157c7c549
hex551bd40

89242944 has 112 divisors (see below), whose sum is σ = 281683968. Its totient is φ = 24380928.

The previous prime is 89242919. The next prime is 89242949. The reversal of 89242944 is 44924298.

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 89242896 and 89242905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89242949) 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, 29469 + ... + 32355.

Almost surely, 289242944 is an apocalyptic number.

89242944 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89242944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140841984).

89242944 is an abundant number, since it is smaller than the sum of its proper divisors (192441024).

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

89242944 is a wasteful number, since it uses less digits than its factorization.

89242944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2922 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 89242944 is about 9446.8483633432. The cubic root of 89242944 is about 446.8803887984.

It can be divided in two parts, 8924294 and 4, that added together give a palindrome (8924298).

The spelling of 89242944 in words is "eighty-nine million, two hundred forty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 64 69 84 92 96 112 138 161 168 184 192 224 276 322 336 368 448 483 552 644 672 736 966 1104 1288 1344 1472 1932 2208 2576 2887 3864 4416 5152 5774 7728 8661 10304 11548 15456 17322 20209 23096 30912 34644 40418 46192 60627 66401 69288 80836 92384 121254 132802 138576 161672 184768 199203 242508 265604 277152 323344 398406 464807 485016 531208 554304 646688 796812 929614 970032 1062416 1293376 1394421 1593624 1859228 1940064 2124832 2788842 3187248 3718456 3880128 4249664 5577684 6374496 7436912 11155368 12748992 14873824 22310736 29747648 44621472 89242944