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89827140 = 223513115163
BaseRepresentation
bin1010101101010…
…10011101000100
320021000200200010
411112222131010
5140443432030
612525150220
72140342464
oct526523504
9207020603
1089827140
1146783507
12260bb370
13157c1370
14bd03ba4
157d456b0
hex55aa744

89827140 has 48 divisors (see below), whose sum is σ = 270865728. Its totient is φ = 22111104.

The previous prime is 89827139. The next prime is 89827147. The reversal of 89827140 is 4172898.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (89827147) 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 15 ways as a sum of consecutive naturals, for example, 56802 + ... + 58361.

It is an arithmetic number, because the mean of its divisors is an integer number (5643036).

Almost surely, 289827140 is an apocalyptic number.

It is an amenable number.

89827140 is an abundant number, since it is smaller than the sum of its proper divisors (181038588).

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

89827140 is a wasteful number, since it uses less digits than its factorization.

89827140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115188 (or 115186 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 89827140 is about 9477.7180797911. The cubic root of 89827140 is about 447.8533812831.

The spelling of 89827140 in words is "eighty-nine million, eight hundred twenty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 115163 230326 345489 460652 575815 690978 1151630 1381956 1497119 1727445 2303260 2994238 3454890 4491357 5988476 6909780 7485595 8982714 14971190 17965428 22456785 29942380 44913570 89827140