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82701938 = 21117921001
BaseRepresentation
bin1001110110111…
…10111001110010
312202121200201202
410323132321302
5132132430223
612112331202
72022645344
oct473367162
9182550652
1082701938
1142757210
1223843b02
1314198177
14adab294
1573d9428
hex4edee72

82701938 has 16 divisors (see below), whose sum is σ = 136092960. Its totient is φ = 37380000.

The previous prime is 82701937. The next prime is 82701959. The reversal of 82701938 is 83910728.

It is a super-2 number, since 2×827019382 = 13679221097911688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82701937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6563 + ... + 14438.

It is an arithmetic number, because the mean of its divisors is an integer number (8505810).

Almost surely, 282701938 is an apocalyptic number.

82701938 is a deficient number, since it is larger than the sum of its proper divisors (53391022).

82701938 is a wasteful number, since it uses less digits than its factorization.

82701938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21193.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 82701938 is about 9094.0605891978. The cubic root of 82701938 is about 435.6842852304.

The spelling of 82701938 in words is "eighty-two million, seven hundred one thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 179 358 1969 3938 21001 42002 231011 462022 3759179 7518358 41350969 82701938