Base | Representation |
---|---|
bin | 1010100101000… |
… | …01110010000000 |
3 | 20011222121120021 |
4 | 11102201302000 |
5 | 140204234130 |
6 | 12450023224 |
7 | 2125206031 |
oct | 522416200 |
9 | 204877507 |
10 | 88743040 |
11 | 46102a61 |
12 | 25877b14 |
13 | 15501a99 |
14 | bb00a88 |
15 | 7bce37a |
hex | 54a1c80 |
88743040 has 32 divisors (see below), whose sum is σ = 212152860. Its totient is φ = 35496960.
The previous prime is 88743037. The next prime is 88743119. The reversal of 88743040 is 4034788.
It can be written as a sum of positive squares in 2 ways, for example, as 85673536 + 3069504 = 9256^2 + 1752^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 88742987 and 88743005.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68691 + ... + 69970.
Almost surely, 288743040 is an apocalyptic number.
88743040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
88743040 is an abundant number, since it is smaller than the sum of its proper divisors (123409820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88743040 is a wasteful number, since it uses less digits than its factorization.
88743040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138680 (or 138668 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 88743040 is about 9420.3524350207. The cubic root of 88743040 is about 446.0444096354.
The spelling of 88743040 in words is "eighty-eight million, seven hundred forty-three thousand, forty".
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