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89013400 = 23527231293
BaseRepresentation
bin1010100111000…
…11110010011000
320012111100102121
411103203302120
5140241412100
612455511024
72130413200
oct523436230
9205440377
1089013400
11462780a3
1225988474
1315597b68
14bb71400
157c3451a
hex54e3c98

89013400 has 144 divisors (see below), whose sum is σ = 249359040. Its totient is φ = 29433600.

The previous prime is 89013391. The next prime is 89013401. The reversal of 89013400 is 431098.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89013401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 303654 + ... + 303946.

It is an arithmetic number, because the mean of its divisors is an integer number (1731660).

Almost surely, 289013400 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 89013400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124679520).

89013400 is an abundant number, since it is smaller than the sum of its proper divisors (160345640).

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

89013400 is a wasteful number, since it uses less digits than its factorization.

89013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 89013400 is about 9434.6913039060. The cubic root of 89013400 is about 446.4969157689.

Adding to 89013400 its reverse (431098), we get a palindrome (89444498).

The spelling of 89013400 in words is "eighty-nine million, thirteen thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 31 35 40 49 50 56 62 70 98 100 124 140 155 175 196 200 217 245 248 280 293 310 350 392 434 490 586 620 700 775 868 980 1085 1172 1225 1240 1400 1465 1519 1550 1736 1960 2051 2170 2344 2450 2930 3038 3100 4102 4340 4900 5425 5860 6076 6200 7325 7595 8204 8680 9083 9800 10255 10850 11720 12152 14357 14650 15190 16408 18166 20510 21700 28714 29300 30380 36332 37975 41020 43400 45415 51275 57428 58600 60760 63581 71785 72664 75950 82040 90830 102550 114856 127162 143570 151900 181660 205100 227075 254324 287140 303800 317905 358925 363320 410200 445067 454150 508648 574280 635810 717850 890134 908300 1271620 1435700 1589525 1780268 1816600 2225335 2543240 2871400 3179050 3560536 4450670 6358100 8901340 11126675 12716200 17802680 22253350 44506700 89013400