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82331075 = 5241471709
BaseRepresentation
bin1001110100001…
…00010111000011
312201220212000002
410322010113003
5132034043300
612100350215
72016542201
oct472042703
9181825002
1082331075
1142523612
12236a536b
1314098418
14ad12071
1573645d5
hex4e845c3

82331075 has 24 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 62854400.

The previous prime is 82331069. The next prime is 82331083. The reversal of 82331075 is 57013328.

It is not a de Polignac number, because 82331075 - 216 = 82265539 is a prime.

It is a super-4 number, since 4×823310754 (a number of 33 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47321 + ... + 49029.

It is an arithmetic number, because the mean of its divisors is an integer number (4452840).

Almost surely, 282331075 is an apocalyptic number.

82331075 is a deficient number, since it is larger than the sum of its proper divisors (24537085).

82331075 is a wasteful number, since it uses less digits than its factorization.

82331075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 82331075 is about 9073.6472821022. The cubic root of 82331075 is about 435.0320582354.

The spelling of 82331075 in words is "eighty-two million, three hundred thirty-one thousand, seventy-five".

Divisors: 1 5 25 41 47 205 235 1025 1175 1709 1927 8545 9635 42725 48175 70069 80323 350345 401615 1751725 2008075 3293243 16466215 82331075