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82078701 = 3432772297
BaseRepresentation
bin1001110010001…
…10101111101101
312201110000210220
410321012233231
5132003004301
612051121553
72014441335
oct471065755
9181400726
1082078701
1142370a41
12235a32b9
131400a5a3
14ac880c5
157314936
hex4e46bed

82078701 has 16 divisors (see below), whose sum is σ = 112436544. Its totient is φ = 53230464.

The previous prime is 82078699. The next prime is 82078721. The reversal of 82078701 is 10787028.

It is not a de Polignac number, because 82078701 - 21 = 82078699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82078721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34585 + ... + 36881.

It is an arithmetic number, because the mean of its divisors is an integer number (7027284).

Almost surely, 282078701 is an apocalyptic number.

It is an amenable number.

82078701 is a deficient number, since it is larger than the sum of its proper divisors (30357843).

82078701 is a wasteful number, since it uses less digits than its factorization.

82078701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 82078701 is about 9059.7296317274. The cubic root of 82078701 is about 434.5870939871.

The spelling of 82078701 in words is "eighty-two million, seventy-eight thousand, seven hundred one".

Divisors: 1 3 43 129 277 831 2297 6891 11911 35733 98771 296313 636269 1908807 27359567 82078701