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89725168 = 24131014271
BaseRepresentation
bin1010101100100…
…01100011110000
320020211111210101
411112101203300
5140432201133
612523042144
72136436261
oct526214360
9206744711
1089725168
1146713935
1226070354
1315786b20
14bcb8968
157d2537d
hex55918f0

89725168 has 40 divisors (see below), whose sum is σ = 189112896. Its totient is φ = 40992000.

The previous prime is 89725151. The next prime is 89725169. The reversal of 89725168 is 86152798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89725169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18873 + ... + 23143.

Almost surely, 289725168 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 89725168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94556448).

89725168 is an abundant number, since it is smaller than the sum of its proper divisors (99387728).

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

89725168 is a wasteful number, since it uses less digits than its factorization.

89725168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4387 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 89725168 is about 9472.3369872487. The cubic root of 89725168 is about 447.6838490129.

The spelling of 89725168 in words is "eighty-nine million, seven hundred twenty-five thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 101 104 202 208 404 808 1313 1616 2626 4271 5252 8542 10504 17084 21008 34168 55523 68336 111046 222092 431371 444184 862742 888368 1725484 3450968 5607823 6901936 11215646 22431292 44862584 89725168