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83379799 = 509163811
BaseRepresentation
bin1001111100001…
…00011001010111
312210220010120201
410332010121113
5132321123144
612135041331
72031500536
oct476043127
9183803521
1083379799
114307a528
1223b10247
1314374879
14b10631d
1574c01d4
hex4f84657

83379799 has 4 divisors (see below), whose sum is σ = 83544120. Its totient is φ = 83215480.

The previous prime is 83379787. The next prime is 83379817. The reversal of 83379799 is 99797338.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83379799 - 27 = 83379671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83370799) 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, 81397 + ... + 82414.

It is an arithmetic number, because the mean of its divisors is an integer number (20886030).

Almost surely, 283379799 is an apocalyptic number.

83379799 is a deficient number, since it is larger than the sum of its proper divisors (164321).

83379799 is a wasteful number, since it uses less digits than its factorization.

83379799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164320.

The product of its digits is 2571912, while the sum is 55.

The square root of 83379799 is about 9131.2539664605. The cubic root of 83379799 is about 436.8714002813.

The spelling of 83379799 in words is "eighty-three million, three hundred seventy-nine thousand, seven hundred ninety-nine".

Divisors: 1 509 163811 83379799