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82237077 = 3213702881
BaseRepresentation
bin1001110011011…
…01011010010101
312201202002001200
410321231122111
5132023041302
612054343113
72016001146
oct471553225
9181662050
1082237077
1142469a2a
122365aa99
13140646c0
14acc9acd
15734681c
hex4e6d695

82237077 has 12 divisors (see below), whose sum is σ = 127924524. Its totient is φ = 50607360.

The previous prime is 82237061. The next prime is 82237081. The reversal of 82237077 is 77073228.

It can be written as a sum of positive squares in 2 ways, for example, as 35533521 + 46703556 = 5961^2 + 6834^2 .

It is not a de Polignac number, because 82237077 - 24 = 82237061 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82237037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351324 + ... + 351557.

It is an arithmetic number, because the mean of its divisors is an integer number (10660377).

Almost surely, 282237077 is an apocalyptic number.

It is an amenable number.

82237077 is a deficient number, since it is larger than the sum of its proper divisors (45687447).

82237077 is a wasteful number, since it uses less digits than its factorization.

82237077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702900 (or 702897 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 82237077 is about 9068.4660775679. The cubic root of 82237077 is about 434.8664354108.

The spelling of 82237077 in words is "eighty-two million, two hundred thirty-seven thousand, seventy-seven".

Divisors: 1 3 9 13 39 117 702881 2108643 6325929 9137453 27412359 82237077