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83366620 = 2254168331
BaseRepresentation
bin1001111100000…
…01001011011100
312210212110111121
410332001023130
5132320212440
612134500324
72031414241
oct476011334
9183773447
1083366620
1143070637
1223b046a4
131436b87c
14b1015c8
1574bb34a
hex4f812dc

83366620 has 12 divisors (see below), whose sum is σ = 175069944. Its totient is φ = 33346640.

The previous prime is 83366617. The next prime is 83366639. The reversal of 83366620 is 2666338.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2084146 + ... + 2084185.

It is an arithmetic number, because the mean of its divisors is an integer number (14589162).

Almost surely, 283366620 is an apocalyptic number.

It is an amenable number.

83366620 is an abundant number, since it is smaller than the sum of its proper divisors (91703324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83366620 is a wasteful number, since it uses less digits than its factorization.

83366620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168340 (or 4168338 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 83366620 is about 9130.5322955455. The cubic root of 83366620 is about 436.8483817899.

The spelling of 83366620 in words is "eighty-three million, three hundred sixty-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 4168331 8336662 16673324 20841655 41683310 83366620