Base | Representation |
---|---|
bin | 11011001000000… |
… | …010000100000110 |
3 | 1011201022222201102 |
4 | 123020002010012 |
5 | 1413000343223 |
6 | 113054100102 |
7 | 14164130165 |
oct | 3310020406 |
9 | 1151288642 |
10 | 455090438 |
11 | 213983200 |
12 | 1084aa632 |
13 | 7338c9aa |
14 | 446253dc |
15 | 29e46928 |
hex | 1b202106 |
455090438 has 24 divisors (see below), whose sum is σ = 758109576. Its totient is φ = 204716160.
The previous prime is 455090431. The next prime is 455090453. The reversal of 455090438 is 834090554.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (455090431) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13781 + ... + 33167.
It is an arithmetic number, because the mean of its divisors is an integer number (31587899).
Almost surely, 2455090438 is an apocalyptic number.
455090438 is a deficient number, since it is larger than the sum of its proper divisors (303019138).
455090438 is a wasteful number, since it uses less digits than its factorization.
455090438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19508 (or 19497 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 38.
The square root of 455090438 is about 21332.8488017892. The cubic root of 455090438 is about 769.1881238630.
The spelling of 455090438 in words is "four hundred fifty-five million, ninety thousand, four hundred thirty-eight".
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