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89745888 = 253934853
BaseRepresentation
bin1010101100101…
…10100111100000
320020212120012210
411112112213200
5140433332023
612523322120
72136553551
oct526264740
9206776183
1089745888
1146728461
1226080340
131579339b
14bcc2328
157d2b593
hex55969e0

89745888 has 24 divisors (see below), whose sum is σ = 235583208. Its totient is φ = 29915264.

The previous prime is 89745883. The next prime is 89745893. The reversal of 89745888 is 88854798.

It is an interprime number because it is at equal distance from previous prime (89745883) and next prime (89745893).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89745881) 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 3 ways as a sum of consecutive naturals, for example, 467331 + ... + 467522.

It is an arithmetic number, because the mean of its divisors is an integer number (9815967).

Almost surely, 289745888 is an apocalyptic number.

It is an amenable number.

89745888 is an abundant number, since it is smaller than the sum of its proper divisors (145837320).

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

89745888 is a wasteful number, since it uses less digits than its factorization.

89745888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934866 (or 934858 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 57.

The square root of 89745888 is about 9473.4306352029. The cubic root of 89745888 is about 447.7183071834.

The spelling of 89745888 in words is "eighty-nine million, seven hundred forty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 934853 1869706 2804559 3739412 5609118 7478824 11218236 14957648 22436472 29915296 44872944 89745888