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88488080 = 2451106101
BaseRepresentation
bin1010100011000…
…11100010010000
320011111122211022
411101203202100
5140123104310
612440335012
72123064512
oct521434220
9204448738
1088488080
1145a4944a
1225774468
1315442a15
14ba75bb2
157b7da55
hex5463890

88488080 has 20 divisors (see below), whose sum is σ = 205734972. Its totient is φ = 35395200.

The previous prime is 88488067. The next prime is 88488083. The reversal of 88488080 is 8088488.

It can be written as a sum of positive squares in 2 ways, for example, as 21641104 + 66846976 = 4652^2 + 8176^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (88488083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552971 + ... + 553130.

Almost surely, 288488080 is an apocalyptic number.

88488080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88488080 is an abundant number, since it is smaller than the sum of its proper divisors (117246892).

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

88488080 is a wasteful number, since it uses less digits than its factorization.

88488080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106114 (or 1106108 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The square root of 88488080 is about 9406.8102989270. The cubic root of 88488080 is about 445.6168359478.

The spelling of 88488080 in words is "eighty-eight million, four hundred eighty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1106101 2212202 4424404 5530505 8848808 11061010 17697616 22122020 44244040 88488080