Base | Representation |
---|---|
bin | 1010100011000… |
… | …01101010011001 |
3 | 20011111021022012 |
4 | 11101201222121 |
5 | 140122333114 |
6 | 12440235305 |
7 | 2123033243 |
oct | 521415231 |
9 | 204437265 |
10 | 88480409 |
11 | 45a43706 |
12 | 2576bb35 |
13 | 1543c394 |
14 | ba73093 |
15 | 7b7b63e |
hex | 5461a99 |
88480409 has 4 divisors (see below), whose sum is σ = 88552500. Its totient is φ = 88408320.
The previous prime is 88480391. The next prime is 88480411. The reversal of 88480409 is 90408488.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 39438400 + 49042009 = 6280^2 + 7003^2 .
It is a cyclic number.
It is not a de Polignac number, because 88480409 - 28 = 88480153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88480459) 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, 34172 + ... + 36669.
It is an arithmetic number, because the mean of its divisors is an integer number (22138125).
Almost surely, 288480409 is an apocalyptic number.
It is an amenable number.
88480409 is a deficient number, since it is larger than the sum of its proper divisors (72091).
88480409 is a wasteful number, since it uses less digits than its factorization.
88480409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72090.
The product of its (nonzero) digits is 73728, while the sum is 41.
The square root of 88480409 is about 9406.4025535802. The cubic root of 88480409 is about 445.6039587877.
The spelling of 88480409 in words is "eighty-eight million, four hundred eighty thousand, four hundred nine".
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