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88491120 = 24351723241
BaseRepresentation
bin1010100011001…
…00010001110000
320011111210222220
411101210101300
5140123203440
612440401040
72123106414
oct521442160
9204453886
1088491120
1145a50763
1225776180
1315444213
14ba76d44
157b7e8d0
hex5464470

88491120 has 240 divisors, whose sum is σ = 311042592. Its totient is φ = 20725760.

The previous prime is 88491107. The next prime is 88491131. The reversal of 88491120 is 2119488.

It is a tau number, because it is divible by the number of its divisors (240).

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, 2158300 + ... + 2158340.

Almost surely, 288491120 is an apocalyptic number.

88491120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88491120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155521296).

88491120 is an abundant number, since it is smaller than the sum of its proper divisors (222551472).

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

88491120 is a wasteful number, since it uses less digits than its factorization.

88491120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 88491120 is about 9406.9718825986. The cubic root of 88491120 is about 445.6219389315.

The spelling of 88491120 in words is "eighty-eight million, four hundred ninety-one thousand, one hundred twenty".