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82714638 = 23191076781
BaseRepresentation
bin1001110111000…
…10000000001110
312202122100011010
410323202000032
5132133332023
612112510050
72023030356
oct473420016
9182570133
1082714638
1142765806
122384b326
13141a0b96
14adb1b66
1573dd093
hex4ee200e

82714638 has 32 divisors (see below), whose sum is σ = 175789440. Its totient is φ = 25872480.

The previous prime is 82714633. The next prime is 82714663. The reversal of 82714638 is 83641728.

It is a super-2 number, since 2×827146382 = 13683422678942088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82714596 and 82714605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82714631) 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 15 ways as a sum of consecutive naturals, for example, 8808 + ... + 15588.

It is an arithmetic number, because the mean of its divisors is an integer number (5493420).

Almost surely, 282714638 is an apocalyptic number.

82714638 is an abundant number, since it is smaller than the sum of its proper divisors (93074802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82714638 is a wasteful number, since it uses less digits than its factorization.

82714638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912.

The product of its digits is 64512, while the sum is 39.

The square root of 82714638 is about 9094.7588203316. The cubic root of 82714638 is about 435.7065858252.

The spelling of 82714638 in words is "eighty-two million, seven hundred fourteen thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 107 114 214 321 642 2033 4066 6099 6781 12198 13562 20343 40686 128839 257678 386517 725567 773034 1451134 2176701 4353402 13785773 27571546 41357319 82714638