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89704872 = 233237151223
BaseRepresentation
bin1010101100011…
…00100110101000
320020210110221200
411112030212220
5140431023442
612522404200
72136323145
oct526144650
9206713850
1089704872
11466aa664
1226060660
131577a80a
14bcb13cc
157d1e34c
hex558c9a8

89704872 has 96 divisors (see below), whose sum is σ = 252295680. Its totient is φ = 28771200.

The previous prime is 89704847. The next prime is 89704873. The reversal of 89704872 is 27840798.

89704872 is nontrivially palindromic in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89704873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402153 + ... + 402375.

It is an arithmetic number, because the mean of its divisors is an integer number (2628080).

Almost surely, 289704872 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 89704872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126147840).

89704872 is an abundant number, since it is smaller than the sum of its proper divisors (162590808).

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

89704872 is a wasteful number, since it uses less digits than its factorization.

89704872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 89704872 is about 9471.2655965293. The cubic root of 89704872 is about 447.6500908274.

The spelling of 89704872 in words is "eighty-nine million, seven hundred four thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 151 222 223 296 302 333 444 446 453 604 666 669 888 892 906 1208 1332 1338 1359 1784 1812 2007 2664 2676 2718 3624 4014 5352 5436 5587 8028 8251 10872 11174 16056 16502 16761 22348 24753 33004 33522 33673 44696 49506 50283 66008 67044 67346 74259 99012 100566 101019 134088 134692 148518 198024 201132 202038 269384 297036 303057 402264 404076 594072 606114 808152 1212228 1245901 2424456 2491802 3737703 4983604 7475406 9967208 11213109 14950812 22426218 29901624 44852436 89704872