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83379969 = 333088147
BaseRepresentation
bin1001111100001…
…00011100000001
312210220010211000
410332010130001
5132321124334
612135042213
72031501201
oct476043401
9183803730
1083379969
114307a672
1223b10369
131437497a
14b106401
1574c0299
hex4f84701

83379969 has 8 divisors (see below), whose sum is σ = 123525920. Its totient is φ = 55586628.

The previous prime is 83379949. The next prime is 83379973. The reversal of 83379969 is 96997338.

It is not a de Polignac number, because 83379969 - 27 = 83379841 is a prime.

It is a super-2 number, since 2×833799692 = 13904438460881922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83379929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544047 + ... + 1544100.

It is an arithmetic number, because the mean of its divisors is an integer number (15440740).

Almost surely, 283379969 is an apocalyptic number.

It is an amenable number.

83379969 is a deficient number, since it is larger than the sum of its proper divisors (40145951).

83379969 is a wasteful number, since it uses less digits than its factorization.

83379969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088156 (or 3088150 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 83379969 is about 9131.2632751444. The cubic root of 83379969 is about 436.8716971881.

It can be divided in two parts, 83379 and 969, that added together give a palindrome (84348).

The spelling of 83379969 in words is "eighty-three million, three hundred seventy-nine thousand, nine hundred sixty-nine".

Divisors: 1 3 9 27 3088147 9264441 27793323 83379969