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83463538 = 241731769
BaseRepresentation
bin1001111100110…
…00110101110010
312211001101110011
410332120311302
5132331313123
612140525134
72032266634
oct476306562
9184041404
1083463538
1143127434
1223b507aa
13143a3a12
14b128a54
1574d9e0d
hex4f98d72

83463538 has 4 divisors (see below), whose sum is σ = 125195310. Its totient is φ = 41731768.

The previous prime is 83463533. The next prime is 83463539. The reversal of 83463538 is 83536438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83536438 = 241768219.

It can be written as a sum of positive squares in only one way, i.e., 41899729 + 41563809 = 6473^2 + 6447^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 83463538.

It is not an unprimeable number, because it can be changed into a prime (83463533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20865883 + ... + 20865886.

Almost surely, 283463538 is an apocalyptic number.

83463538 is a deficient number, since it is larger than the sum of its proper divisors (41731772).

83463538 is a wasteful number, since it uses less digits than its factorization.

83463538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41731771.

The product of its digits is 207360, while the sum is 40.

The square root of 83463538 is about 9135.8381115254. The cubic root of 83463538 is about 437.0176024971.

Subtracting 83463538 from its reverse (83536438), we obtain a square (72900 = 2702).

The spelling of 83463538 in words is "eighty-three million, four hundred sixty-three thousand, five hundred thirty-eight".

Divisors: 1 2 41731769 83463538