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83133424 = 2411472349
BaseRepresentation
bin1001111010010…
…00001111110000
312210102121121201
410331020033300
5132240232144
612125500544
72026423333
oct475101760
9183377551
1083133424
1142a21410
1223a11754
13142b969a
14b08061a
1574721d4
hex4f483f0

83133424 has 20 divisors (see below), whose sum is σ = 175714200. Its totient is φ = 37787840.

The previous prime is 83133397. The next prime is 83133433. The reversal of 83133424 is 42433138.

It is a super-2 number, since 2×831334242 = 13822332371927552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83133392 and 83133401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235999 + ... + 236350.

It is an arithmetic number, because the mean of its divisors is an integer number (8785710).

Almost surely, 283133424 is an apocalyptic number.

It is an amenable number.

83133424 is an abundant number, since it is smaller than the sum of its proper divisors (92580776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83133424 is a wasteful number, since it uses less digits than its factorization.

83133424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472368 (or 472362 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 83133424 is about 9117.7532320194. The cubic root of 83133424 is about 436.4406789263.

The spelling of 83133424 in words is "eighty-three million, one hundred thirty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 472349 944698 1889396 3778792 5195839 7557584 10391678 20783356 41566712 83133424