Base | Representation |
---|---|
bin | 1010100010100… |
… | …11001010110111 |
3 | 20011101020212121 |
4 | 11101103022313 |
5 | 140113433142 |
6 | 12435100411 |
7 | 2122365211 |
oct | 521231267 |
9 | 204336777 |
10 | 88421047 |
11 | 45a03050 |
12 | 25741707 |
13 | 1541b360 |
14 | ba595b1 |
15 | 7b68c67 |
hex | 54532b7 |
88421047 has 8 divisors (see below), whose sum is σ = 103879440. Its totient is φ = 74199360.
The previous prime is 88420991. The next prime is 88421059. The reversal of 88421047 is 74012488.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-88421047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88421077) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309022 + ... + 309307.
It is an arithmetic number, because the mean of its divisors is an integer number (12984930).
Almost surely, 288421047 is an apocalyptic number.
88421047 is a deficient number, since it is larger than the sum of its proper divisors (15458393).
88421047 is a wasteful number, since it uses less digits than its factorization.
88421047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618353.
The product of its (nonzero) digits is 14336, while the sum is 34.
The square root of 88421047 is about 9403.2466201839. The cubic root of 88421047 is about 445.5042837662.
It can be divided in two parts, 8842 and 1047, that added together give a palindrome (9889).
The spelling of 88421047 in words is "eighty-eight million, four hundred twenty-one thousand, forty-seven".
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