Base | Representation |
---|---|
bin | 11001100010111… |
… | …011110110100110 |
3 | 1002212110112211110 |
4 | 121202323312212 |
5 | 1334204312304 |
6 | 110310045450 |
7 | 13422641010 |
oct | 3142736646 |
9 | 1085415743 |
10 | 428588454 |
11 | 1aaa21938 |
12 | bb649886 |
13 | 6aa40c48 |
14 | 40cc71b0 |
15 | 2795e289 |
hex | 198bbda6 |
428588454 has 32 divisors (see below), whose sum is σ = 1011234816. Its totient is φ = 118503360.
The previous prime is 428588437. The next prime is 428588467. The reversal of 428588454 is 454885824.
It is a super-2 number, since 2×4285884542 = 367376125804220232, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 163287 + ... + 165890.
It is an arithmetic number, because the mean of its divisors is an integer number (31601088).
Almost surely, 2428588454 is an apocalyptic number.
428588454 is an abundant number, since it is smaller than the sum of its proper divisors (582646362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428588454 is a wasteful number, since it uses less digits than its factorization.
428588454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329220.
The product of its digits is 1638400, while the sum is 48.
The square root of 428588454 is about 20702.3779793530. The cubic root of 428588454 is about 753.9574247690.
The spelling of 428588454 in words is "four hundred twenty-eight million, five hundred eighty-eight thousand, four hundred fifty-four".
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