| Base | Representation |
|---|---|
| bin | 11011000011111… |
| … | …110110011101000 |
| 3 | 1011122100001001010 |
| 4 | 123003332303220 |
| 5 | 1412212403040 |
| 6 | 113015223520 |
| 7 | 14152115211 |
| oct | 3303766350 |
| 9 | 1148301033 |
| 10 | 454028520 |
| 11 | 213318390 |
| 12 | 108077ba0 |
| 13 | 730aa53a |
| 14 | 4442a408 |
| 15 | 29cd6e80 |
| hex | 1b0fece8 |
454028520 has 128 divisors (see below), whose sum is σ = 1573395840. Its totient is φ = 103587840.
The previous prime is 454028489. The next prime is 454028527. The reversal of 454028520 is 25820454.
It is a super-2 number, since 2×4540285202 = 412283793946780800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (454028527) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12324 + ... + 32556.
It is an arithmetic number, because the mean of its divisors is an integer number (12292155).
Almost surely, 2454028520 is an apocalyptic number.
454028520 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 454028520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786697920).
454028520 is an abundant number, since it is smaller than the sum of its proper divisors (1119367320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454028520 is a wasteful number, since it uses less digits than its factorization.
454028520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20275 (or 20271 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 30.
The square root of 454028520 is about 21307.9449971132. The cubic root of 454028520 is about 768.5893777712.
Adding to 454028520 its reverse (25820454), we get a palindrome (479848974).
The spelling of 454028520 in words is "four hundred fifty-four million, twenty-eight thousand, five hundred twenty".
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