Base | Representation |
---|---|
bin | 1000101100111111101111 |
3 | 11021220120100 |
4 | 20230333233 |
5 | 1041001310 |
6 | 120522143 |
7 | 25251321 |
oct | 10547757 |
9 | 4256510 |
10 | 2281455 |
11 | 1319100 |
12 | 920353 |
13 | 61b597 |
14 | 435611 |
15 | 300ec0 |
hex | 22cfef |
2281455 has 36 divisors (see below), whose sum is σ = 4357080. Its totient is φ = 1103520.
The previous prime is 2281429. The next prime is 2281481. The reversal of 2281455 is 5541822.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2281429) and next prime (2281481).
It is not a de Polignac number, because 2281455 - 27 = 2281327 is a prime.
It is a d-powerful number, because it can be written as 216 + 218 + 8 + 1 + 42 + 54 + 59 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5236 + ... + 5654.
It is an arithmetic number, because the mean of its divisors is an integer number (121030).
22281455 is an apocalyptic number.
2281455 is a deficient number, since it is larger than the sum of its proper divisors (2075625).
2281455 is a wasteful number, since it uses less digits than its factorization.
2281455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 452 (or 438 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 2281455 is about 1510.4486088576. The cubic root of 2281455 is about 131.6448788032.
It can be divided in two parts, 228145 and 5, that added together give a triangular number (228150 = T675).
The spelling of 2281455 in words is "two million, two hundred eighty-one thousand, four hundred fifty-five".
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