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83483440 = 2451043543
BaseRepresentation
bin1001111100111…
…01101100110000
312211002101202021
410332131230300
5132332432230
612141201224
72032411645
oct476355460
9184071667
1083483440
1143140387
1223b60214
13143acab1
14b131dcc
1574e0c7a
hex4f9db30

83483440 has 20 divisors (see below), whose sum is σ = 194099184. Its totient is φ = 33393344.

The previous prime is 83483437. The next prime is 83483443. The reversal of 83483440 is 4438438.

It is an interprime number because it is at equal distance from previous prime (83483437) and next prime (83483443).

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 83483396 and 83483405.

It is not an unprimeable number, because it can be changed into a prime (83483443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521692 + ... + 521851.

Almost surely, 283483440 is an apocalyptic number.

83483440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83483440 is an abundant number, since it is smaller than the sum of its proper divisors (110615744).

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

83483440 is a wasteful number, since it uses less digits than its factorization.

83483440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043556 (or 1043550 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 83483440 is about 9136.9272734328. The cubic root of 83483440 is about 437.0523355606.

The spelling of 83483440 in words is "eighty-three million, four hundred eighty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1043543 2087086 4174172 5217715 8348344 10435430 16696688 20870860 41741720 83483440