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83933039 = 508116519
BaseRepresentation
bin1010000000010…
…11011101101111
312211221020111002
411000023131233
5132441324124
612154550515
72036263511
oct500133557
9184836432
1083933039
1143418153
122413843b
1314509628
14b20bbb1
15757e0ae
hex500b76f

83933039 has 4 divisors (see below), whose sum is σ = 83954640. Its totient is φ = 83911440.

The previous prime is 83933021. The next prime is 83933071. The reversal of 83933039 is 93033938.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93033938 = 246516969.

It is a cyclic number.

It is not a de Polignac number, because 83933039 - 216 = 83867503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83932993 and 83933011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83933009) 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, 3179 + ... + 13340.

It is an arithmetic number, because the mean of its divisors is an integer number (20988660).

Almost surely, 283933039 is an apocalyptic number.

83933039 is a deficient number, since it is larger than the sum of its proper divisors (21601).

83933039 is a wasteful number, since it uses less digits than its factorization.

83933039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 83933039 is about 9161.4976395784. The cubic root of 83933039 is about 437.8355112351.

The spelling of 83933039 in words is "eighty-three million, nine hundred thirty-three thousand, thirty-nine".

Divisors: 1 5081 16519 83933039