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89425540 = 2259294813
BaseRepresentation
bin1010101010010…
…00011010000100
320020021021210001
411111020122010
5140343104130
612512411044
72134050601
oct525103204
9206237701
1089425540
1146529806
1225b46a84
13156b0629
14bc3b6a8
157cb66ca
hex5548684

89425540 has 24 divisors (see below), whose sum is σ = 188034840. Its totient is φ = 35724288.

The previous prime is 89425529. The next prime is 89425547. The reversal of 89425540 is 4552498.

It can be written as a sum of positive squares in 4 ways, for example, as 1478656 + 87946884 = 1216^2 + 9378^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89425540.

It is not an unprimeable number, because it can be changed into a prime (89425547) 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, 16174 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (7834785).

Almost surely, 289425540 is an apocalyptic number.

It is an amenable number.

89425540 is an abundant number, since it is smaller than the sum of its proper divisors (98609300).

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

89425540 is a wasteful number, since it uses less digits than its factorization.

89425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751 (or 5749 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 89425540 is about 9456.5078120837. The cubic root of 89425540 is about 447.1849618334.

The spelling of 89425540 in words is "eighty-nine million, four hundred twenty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 929 1858 3716 4645 4813 9290 9626 18580 19252 24065 48130 96260 4471277 8942554 17885108 22356385 44712770 89425540