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83454427 = 785913879
BaseRepresentation
bin1001111100101…
…10100111011011
312211000220221201
410332112213123
5132331020202
612140415031
72032231240
oct476264733
9184026851
1083454427
1143120601
1223b47477
131439c824
14b1255c7
1574d7387
hex4f969db

83454427 has 8 divisors (see below), whose sum is σ = 95494400. Its totient is φ = 71443944.

The previous prime is 83454407. The next prime is 83454439. The reversal of 83454427 is 72445438.

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

It is a cyclic number.

It is not a de Polignac number, because 83454427 - 223 = 75065819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83454407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927 + ... + 12952.

It is an arithmetic number, because the mean of its divisors is an integer number (11936800).

Almost surely, 283454427 is an apocalyptic number.

83454427 is a deficient number, since it is larger than the sum of its proper divisors (12039973).

83454427 is a wasteful number, since it uses less digits than its factorization.

83454427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14745.

The product of its digits is 107520, while the sum is 37.

The square root of 83454427 is about 9135.3394572944. The cubic root of 83454427 is about 437.0017000948.

The spelling of 83454427 in words is "eighty-three million, four hundred fifty-four thousand, four hundred twenty-seven".

Divisors: 1 7 859 6013 13879 97153 11922061 83454427