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82906678 = 241453339
BaseRepresentation
bin1001111000100…
…00111000110110
312210000002120201
410330100320312
5132211003203
612120551114
72024460301
oct474207066
9183002521
1082906678
1142887018
122392249a
131423a40a
14b021b38
157429e1d
hex4f10e36

82906678 has 4 divisors (see below), whose sum is σ = 124360020. Its totient is φ = 41453338.

The previous prime is 82906673. The next prime is 82906699. The reversal of 82906678 is 87660928.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×829066783 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82906673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20726668 + ... + 20726671.

It is an arithmetic number, because the mean of its divisors is an integer number (31090005).

Almost surely, 282906678 is an apocalyptic number.

82906678 is a deficient number, since it is larger than the sum of its proper divisors (41453342).

82906678 is a wasteful number, since it uses less digits than its factorization.

82906678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41453341.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 82906678 is about 9105.3104285356. The cubic root of 82906678 is about 436.0435210323.

The spelling of 82906678 in words is "eighty-two million, nine hundred six thousand, six hundred seventy-eight".

Divisors: 1 2 41453339 82906678