Base | Representation |
---|---|
bin | 1001111100100… |
… | …01011111011110 |
3 | 12210222212011100 |
4 | 10332101133132 |
5 | 132324332223 |
6 | 12140133530 |
7 | 2032113114 |
oct | 476213736 |
9 | 183885140 |
10 | 83433438 |
11 | 43106860 |
12 | 23b372a6 |
13 | 143930ca |
14 | b11bab4 |
15 | 74d1043 |
hex | 4f917de |
83433438 has 24 divisors (see below), whose sum is σ = 197206776. Its totient is φ = 25282800.
The previous prime is 83433407. The next prime is 83433451.
83433438 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×834334382 = 13922277152999688, 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 11 ways as a sum of consecutive naturals, for example, 210493 + ... + 210888.
It is an arithmetic number, because the mean of its divisors is an integer number (8216949).
Almost surely, 283433438 is an apocalyptic number.
83433438 is an abundant number, since it is smaller than the sum of its proper divisors (113773338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83433438 is a wasteful number, since it uses less digits than its factorization.
83433438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 421400 (or 421397 counting only the distinct ones).
The product of its digits is 82944, while the sum is 36.
The square root of 83433438 is about 9134.1906045363. The cubic root of 83433438 is about 436.9650613445.
It can be divided in two parts, 8343 and 3438, that added together give a triangular number (11781 = T153).
The spelling of 83433438 in words is "eighty-three million, four hundred thirty-three thousand, four hundred thirty-eight".
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