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83864746 = 2719315281
BaseRepresentation
bin1001111111110…
…10110010101010
312211210202210201
410333322302222
5132432132441
612153302414
72035560430
oct477726252
9184722721
1083864746
1143380909
1224104a0a
13144b4514
14b1d0d50
157568c31
hex4ffacaa

83864746 has 16 divisors (see below), whose sum is σ = 151335360. Its totient is φ = 34050240.

The previous prime is 83864717. The next prime is 83864761. The reversal of 83864746 is 64746838.

It is a junction number, because it is equal to n+sod(n) for n = 83864696 and 83864705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157375 + ... + 157906.

It is an arithmetic number, because the mean of its divisors is an integer number (9458460).

Almost surely, 283864746 is an apocalyptic number.

83864746 is a deficient number, since it is larger than the sum of its proper divisors (67470614).

83864746 is a wasteful number, since it uses less digits than its factorization.

83864746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315309.

The product of its digits is 774144, while the sum is 46.

The square root of 83864746 is about 9157.7697066480. The cubic root of 83864746 is about 437.7167291902.

The spelling of 83864746 in words is "eighty-three million, eight hundred sixty-four thousand, seven hundred forty-six".

Divisors: 1 2 7 14 19 38 133 266 315281 630562 2206967 4413934 5990339 11980678 41932373 83864746