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83668753 = 711952679
BaseRepresentation
bin1001111110010…
…10111100010001
312211102210221201
410333022330101
5132404400003
612145151201
72034113140
oct477127421
9184383851
1083668753
1143257633
122402b501
131444624c
14b17d757
15752ab1d
hex4fcaf11

83668753 has 4 divisors (see below), whose sum is σ = 95621440. Its totient is φ = 71716068.

The previous prime is 83668751. The next prime is 83668763. The reversal of 83668753 is 35786638.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83668753 - 21 = 83668751 is a prime.

It is a super-3 number, since 3×836687533 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83668751) 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, 5976333 + ... + 5976346.

It is an arithmetic number, because the mean of its divisors is an integer number (23905360).

Almost surely, 283668753 is an apocalyptic number.

It is an amenable number.

83668753 is a deficient number, since it is larger than the sum of its proper divisors (11952687).

83668753 is a wasteful number, since it uses less digits than its factorization.

83668753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952686.

The product of its digits is 725760, while the sum is 46.

The square root of 83668753 is about 9147.0625339504. The cubic root of 83668753 is about 437.3754799914.

The spelling of 83668753 in words is "eighty-three million, six hundred sixty-eight thousand, seven hundred fifty-three".

Divisors: 1 7 11952679 83668753