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82268949 = 37109127283
BaseRepresentation
bin1001110011101…
…01001100010101
312201210200210010
410321311030111
5132030101244
612055150433
72016163110
oct471651425
9181720703
1082268949
1142490974
1223675419
1314076069
14acd7577
157350eb9
hex4e75315

82268949 has 32 divisors (see below), whose sum is σ = 127959040. Its totient is φ = 46049472.

The previous prime is 82268909. The next prime is 82268971. The reversal of 82268949 is 94986228.

It is not a de Polignac number, because 82268949 - 27 = 82268821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82268898 and 82268907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82268909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290562 + ... + 290844.

It is an arithmetic number, because the mean of its divisors is an integer number (3998720).

Almost surely, 282268949 is an apocalyptic number.

It is an amenable number.

82268949 is a deficient number, since it is larger than the sum of its proper divisors (45690091).

82268949 is a wasteful number, since it uses less digits than its factorization.

82268949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its digits is 497664, while the sum is 48.

The square root of 82268949 is about 9070.2232056328. The cubic root of 82268949 is about 434.9226074497.

The spelling of 82268949 in words is "eighty-two million, two hundred sixty-eight thousand, nine hundred forty-nine".

Divisors: 1 3 7 21 109 127 283 327 381 763 849 889 1981 2289 2667 5943 13843 30847 35941 41529 92541 96901 107823 215929 251587 290703 647787 754761 3917569 11752707 27422983 82268949