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82144935 = 355174197
BaseRepresentation
bin1001110010101…
…10111010100111
312201120101200000
410321112322213
5132012114220
612052352343
72015135415
oct471267247
9181511600
1082144935
1142406784
12236156b3
1314031792
14aca42b5
157329390
hex4e56ea7

82144935 has 96 divisors (see below), whose sum is σ = 161808192. Its totient is φ = 39813120.

The previous prime is 82144919. The next prime is 82144939. The reversal of 82144935 is 53944128.

82144935 = 1452 + 1462 + ... + 6292.

It is not a de Polignac number, because 82144935 - 24 = 82144919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82144935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82144939) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 846807 + ... + 846903.

It is an arithmetic number, because the mean of its divisors is an integer number (1685502).

Almost surely, 282144935 is an apocalyptic number.

82144935 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82144935 is a deficient number, since it is larger than the sum of its proper divisors (79663257).

82144935 is a wasteful number, since it uses less digits than its factorization.

82144935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 163 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82144935 is about 9063.3843016833. The cubic root of 82144935 is about 434.7039602878.

The spelling of 82144935 in words is "eighty-two million, one hundred forty-four thousand, nine hundred thirty-five".

Divisors: 1 3 5 9 15 17 27 41 45 51 81 85 97 123 135 153 205 243 255 291 369 405 459 485 615 697 765 873 1107 1215 1377 1455 1649 1845 2091 2295 2619 3321 3485 3977 4131 4365 4947 5535 6273 6885 7857 8245 9963 10455 11931 13095 14841 16605 18819 19885 20655 23571 24735 31365 35793 39285 44523 49815 56457 59655 67609 74205 94095 107379 117855 133569 169371 178965 202827 222615 282285 322137 338045 400707 536895 608481 667845 846855 966411 1014135 1610685 1825443 2003535 3042405 4832055 5476329 9127215 16428987 27381645 82144935