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82806195 = 3583227293
BaseRepresentation
bin1001110111110…
…00010110110011
312202210222202010
410323320112303
5132144244240
612114454003
72023561323
oct473702663
9182728663
1082806195
114281857a
1223894303
1314203764
14add7283
15740a280
hex4ef85b3

82806195 has 32 divisors (see below), whose sum is σ = 135136512. Its totient is φ = 43290752.

The previous prime is 82806181. The next prime is 82806209. The reversal of 82806195 is 59160828.

It is an interprime number because it is at equal distance from previous prime (82806181) and next prime (82806209).

It is a cyclic number.

It is not a de Polignac number, because 82806195 - 26 = 82806131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282469 + ... + 282761.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 282806195 is an apocalyptic number.

82806195 is a deficient number, since it is larger than the sum of its proper divisors (52330317).

82806195 is a wasteful number, since it uses less digits than its factorization.

82806195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 82806195 is about 9099.7909316643. The cubic root of 82806195 is about 435.8672880461.

The spelling of 82806195 in words is "eighty-two million, eight hundred six thousand, one hundred ninety-five".

Divisors: 1 3 5 15 83 227 249 293 415 681 879 1135 1245 1465 3405 4395 18841 24319 56523 66511 72957 94205 121595 199533 282615 332555 364785 997665 5520413 16561239 27602065 82806195