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83276385 = 3531179089
BaseRepresentation
bin1001111011010…
…11001001100001
312210200212201120
410331223021201
5132304321020
612132522453
72030560203
oct475531141
9183625646
1083276385
1143009865
1223a80429
131433978a
14b0ba773
15749e740
hex4f6b261

83276385 has 16 divisors (see below), whose sum is σ = 137541120. Its totient is φ = 42981120.

The previous prime is 83276357. The next prime is 83276441. The reversal of 83276385 is 58367238.

It is not a de Polignac number, because 83276385 - 28 = 83276129 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89080 + ... + 90009.

It is an arithmetic number, because the mean of its divisors is an integer number (8596320).

Almost surely, 283276385 is an apocalyptic number.

It is an amenable number.

83276385 is a deficient number, since it is larger than the sum of its proper divisors (54264735).

83276385 is a wasteful number, since it uses less digits than its factorization.

83276385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179128.

The product of its digits is 241920, while the sum is 42.

The square root of 83276385 is about 9125.5895699949. The cubic root of 83276385 is about 436.6907117916.

The spelling of 83276385 in words is "eighty-three million, two hundred seventy-six thousand, three hundred eighty-five".

Divisors: 1 3 5 15 31 93 155 465 179089 537267 895445 2686335 5551759 16655277 27758795 83276385