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89262820 = 2254463141
BaseRepresentation
bin1010101001000…
…00101011100100
320012222000120101
411110200223210
5140322402240
612505113444
72132502313
oct524405344
9205860511
1089262820
1146428529
1225a88884
131565454a
14bbd827a
157c8339a
hex5520ae4

89262820 has 12 divisors (see below), whose sum is σ = 187451964. Its totient is φ = 35705120.

The previous prime is 89262809. The next prime is 89262829. The reversal of 89262820 is 2826298.

It can be written as a sum of positive squares in 2 ways, for example, as 54287424 + 34975396 = 7368^2 + 5914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89262820.

It is not an unprimeable number, because it can be changed into a prime (89262829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231551 + ... + 2231590.

It is an arithmetic number, because the mean of its divisors is an integer number (15620997).

Almost surely, 289262820 is an apocalyptic number.

It is an amenable number.

89262820 is an abundant number, since it is smaller than the sum of its proper divisors (98189144).

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

89262820 is a wasteful number, since it uses less digits than its factorization.

89262820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463150 (or 4463148 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 89262820 is about 9447.9002958329. The cubic root of 89262820 is about 446.9135624212.

The spelling of 89262820 in words is "eighty-nine million, two hundred sixty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 4463141 8926282 17852564 22315705 44631410 89262820