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83466140 = 2257515557
BaseRepresentation
bin1001111100110…
…01011110011100
312211001112000112
410332121132130
5132331404030
612140545152
72032310342
oct476313634
9184045015
1083466140
114312938a
1223b521b8
13143a4c64
14b129992
1574daa95
hex4f9979c

83466140 has 24 divisors (see below), whose sum is σ = 175543872. Its totient is φ = 33336000.

The previous prime is 83466137. The next prime is 83466151. The reversal of 83466140 is 4166438.

It is a junction number, because it is equal to n+sod(n) for n = 83466097 and 83466106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12242 + ... + 17798.

It is an arithmetic number, because the mean of its divisors is an integer number (7314328).

Almost surely, 283466140 is an apocalyptic number.

It is an amenable number.

83466140 is an abundant number, since it is smaller than the sum of its proper divisors (92077732).

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

83466140 is a wasteful number, since it uses less digits than its factorization.

83466140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317 (or 6315 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 83466140 is about 9135.9805166167. The cubic root of 83466140 is about 437.0221438334.

The spelling of 83466140 in words is "eighty-three million, four hundred sixty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 751 1502 3004 3755 5557 7510 11114 15020 22228 27785 55570 111140 4173307 8346614 16693228 20866535 41733070 83466140