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83142434 = 2311341007
BaseRepresentation
bin1001111010010…
…10011100100010
312210110001222102
410331022130202
5132241024214
612130010402
72026461524
oct475123442
9183401872
1083142434
1142a28161
1223a16a02
13142c080b
14b083a14
157474bde
hex4f4a722

83142434 has 8 divisors (see below), whose sum is σ = 128736768. Its totient is φ = 40230180.

The previous prime is 83142413. The next prime is 83142439. The reversal of 83142434 is 43424138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 83142397 and 83142406.

It is not an unprimeable number, because it can be changed into a prime (83142439) by changing a digit.

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, 670442 + ... + 670565.

It is an arithmetic number, because the mean of its divisors is an integer number (16092096).

Almost surely, 283142434 is an apocalyptic number.

83142434 is a deficient number, since it is larger than the sum of its proper divisors (45594334).

83142434 is a wasteful number, since it uses less digits than its factorization.

83142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341040.

The product of its digits is 9216, while the sum is 29.

The square root of 83142434 is about 9118.2473096533. The cubic root of 83142434 is about 436.4564455028.

The spelling of 83142434 in words is "eighty-three million, one hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 31 62 1341007 2682014 41571217 83142434