Base | Representation |
---|---|
bin | 11011000011111… |
… | …001000111111000 |
3 | 1011122021212002220 |
4 | 123003321013320 |
5 | 1412211131430 |
6 | 113014524040 |
7 | 14151660303 |
oct | 3303710770 |
9 | 1148255086 |
10 | 454005240 |
11 | 213301947 |
12 | 108066620 |
13 | 7309ca70 |
14 | 44421b3a |
15 | 29cd0110 |
hex | 1b0f91f8 |
454005240 has 128 divisors (see below), whose sum is σ = 1487808000. Its totient is φ = 110154240.
The previous prime is 454005239. The next prime is 454005241. The reversal of 454005240 is 42500454.
It is an interprime number because it is at equal distance from previous prime (454005239) and next prime (454005241).
It is a super-2 number, since 2×4540052402 = 412241515894915200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 454005240.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (454005241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108711 + ... + 112809.
It is an arithmetic number, because the mean of its divisors is an integer number (11623500).
Almost surely, 2454005240 is an apocalyptic number.
454005240 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 454005240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743904000).
454005240 is an abundant number, since it is smaller than the sum of its proper divisors (1033802760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454005240 is a wasteful number, since it uses less digits than its factorization.
454005240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4197 (or 4193 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 24.
The square root of 454005240 is about 21307.3987150004. The cubic root of 454005240 is about 768.5762412495.
Adding to 454005240 its reverse (42500454), we get a palindrome (496505694).
The spelling of 454005240 in words is "four hundred fifty-four million, five thousand, two hundred forty".
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