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83380395 = 3575314983
BaseRepresentation
bin1001111100001…
…00100010101011
312210220011101210
410332010202223
5132321133040
612135044203
72031502350
oct476044253
9183804353
1083380395
114307aa1a
1223b10663
1314374c17
14b106627
1574c0480
hex4f848ab

83380395 has 32 divisors (see below), whose sum is σ = 155354112. Its totient is φ = 37395072.

The previous prime is 83380387. The next prime is 83380411. The reversal of 83380395 is 59308338.

It is not a de Polignac number, because 83380395 - 23 = 83380387 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1927 + ... + 13056.

It is an arithmetic number, because the mean of its divisors is an integer number (4854816).

Almost surely, 283380395 is an apocalyptic number.

83380395 is a deficient number, since it is larger than the sum of its proper divisors (71973717).

83380395 is a wasteful number, since it uses less digits than its factorization.

83380395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 83380395 is about 9131.2866015694. The cubic root of 83380395 is about 436.8724411998.

The spelling of 83380395 in words is "eighty-three million, three hundred eighty thousand, three hundred ninety-five".

Divisors: 1 3 5 7 15 21 35 53 105 159 265 371 795 1113 1855 5565 14983 44949 74915 104881 224745 314643 524405 794099 1573215 2382297 3970495 5558693 11911485 16676079 27793465 83380395