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89499480 = 23357231491
BaseRepresentation
bin1010101010110…
…10011101011000
320020102001012120
411111122131120
5140402440410
612514141240
72134506300
oct525323530
9206361176
1089499480
114657a314
1225b81820
1315708195
14bc5a600
157ccd570
hex555a758

89499480 has 192 divisors, whose sum is σ = 323066880. Its totient is φ = 19756800.

The previous prime is 89499461. The next prime is 89499491. The reversal of 89499480 is 8499498.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182035 + ... + 182525.

It is an arithmetic number, because the mean of its divisors is an integer number (1682640).

Almost surely, 289499480 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 89499480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161533440).

89499480 is an abundant number, since it is smaller than the sum of its proper divisors (233567400).

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

89499480 is a wasteful number, since it uses less digits than its factorization.

89499480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 89499480 is about 9460.4164813184. The cubic root of 89499480 is about 447.3081769955.

The spelling of 89499480 in words is "eighty-nine million, four hundred ninety-nine thousand, four hundred eighty".