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82100295 = 3251824451
BaseRepresentation
bin1001110010011…
…00000001000111
312201111010102200
410321030001013
5132004202140
612051405543
72014561314
oct471140107
9181433380
1082100295
1142386192
12235b38b3
1314017374
14ac91d0b
15731b030
hex4e4c047

82100295 has 12 divisors (see below), whose sum is σ = 142307256. Its totient is φ = 43786800.

The previous prime is 82100279. The next prime is 82100297. The reversal of 82100295 is 59200128.

It is not a de Polignac number, because 82100295 - 24 = 82100279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82100297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912181 + ... + 912270.

It is an arithmetic number, because the mean of its divisors is an integer number (11858938).

Almost surely, 282100295 is an apocalyptic number.

82100295 is a deficient number, since it is larger than the sum of its proper divisors (60206961).

82100295 is a wasteful number, since it uses less digits than its factorization.

82100295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824462 (or 1824459 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 82100295 is about 9060.9213107719. The cubic root of 82100295 is about 434.6252023341.

The spelling of 82100295 in words is "eighty-two million, one hundred thousand, two hundred ninety-five".

Divisors: 1 3 5 9 15 45 1824451 5473353 9122255 16420059 27366765 82100295