Base | Representation |
---|---|
bin | 11011000101010… |
… | …011011101001000 |
3 | 1011122222122122121 |
4 | 123011103131020 |
5 | 1412310001430 |
6 | 113030501024 |
7 | 14155061104 |
oct | 3305233510 |
9 | 1148878577 |
10 | 454375240 |
11 | 213534930 |
12 | 108204774 |
13 | 7319c2b7 |
14 | 444ba904 |
15 | 29d54a7a |
hex | 1b153748 |
454375240 has 64 divisors (see below), whose sum is σ = 1132004160. Its totient is φ = 162750720.
The previous prime is 454375223. The next prime is 454375249. The reversal of 454375240 is 42573454.
It is a junction number, because it is equal to n+sod(n) for n = 454375196 and 454375205.
It is not an unprimeable number, because it can be changed into a prime (454375249) 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, 21774 + ... + 37186.
It is an arithmetic number, because the mean of its divisors is an integer number (17687565).
Almost surely, 2454375240 is an apocalyptic number.
454375240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 454375240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566002080).
454375240 is an abundant number, since it is smaller than the sum of its proper divisors (677628920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454375240 is a wasteful number, since it uses less digits than its factorization.
454375240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15502 (or 15498 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 34.
The square root of 454375240 is about 21316.0793768460. The cubic root of 454375240 is about 768.7849730492.
The spelling of 454375240 in words is "four hundred fifty-four million, three hundred seventy-five thousand, two hundred forty".
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