Base | Representation |
---|---|
bin | 1010000010111… |
… | …01111100110101 |
3 | 12212120101221111 |
4 | 11001131330311 |
5 | 133033132101 |
6 | 12210115021 |
7 | 2042201521 |
oct | 501357465 |
9 | 185511844 |
10 | 84270901 |
11 | 43628a80 |
12 | 2427ba71 |
13 | 145c7350 |
14 | b298d81 |
15 | 75e9251 |
hex | 505df35 |
84270901 has 16 divisors (see below), whose sum is σ = 100880640. Its totient is φ = 69376320.
The previous prime is 84270889. The next prime is 84270911. The reversal of 84270901 is 10907248.
It is not a de Polignac number, because 84270901 - 211 = 84268853 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 (84270911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020 + ... + 13138.
It is an arithmetic number, because the mean of its divisors is an integer number (6305040).
Almost surely, 284270901 is an apocalyptic number.
It is an amenable number.
84270901 is a deficient number, since it is larger than the sum of its proper divisors (16609739).
84270901 is a wasteful number, since it uses less digits than its factorization.
84270901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11196.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 84270901 is about 9179.9183547568. The cubic root of 84270901 is about 438.4222088272.
The spelling of 84270901 in words is "eighty-four million, two hundred seventy thousand, nine hundred one".
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