Search a number
-
+
82373642 = 2132243709
BaseRepresentation
bin1001110100011…
…10110000001010
312202000000101122
410322032300022
5132041424032
612101315242
72020110251
oct472166012
9182000348
1082373642
114255259a
1223705b22
13140b1900
14ad23798
157372012
hex4e8ec0a

82373642 has 12 divisors (see below), whose sum is σ = 133796790. Its totient is φ = 38018448.

The previous prime is 82373639. The next prime is 82373651. The reversal of 82373642 is 24637328.

It can be written as a sum of positive squares in 3 ways, for example, as 38800441 + 43573201 = 6229^2 + 6601^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121517 + ... + 122192.

Almost surely, 282373642 is an apocalyptic number.

82373642 is a deficient number, since it is larger than the sum of its proper divisors (51423148).

82373642 is a wasteful number, since it uses less digits than its factorization.

82373642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243737 (or 243724 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 82373642 is about 9075.9926178903. The cubic root of 82373642 is about 435.1070190734.

The spelling of 82373642 in words is "eighty-two million, three hundred seventy-three thousand, six hundred forty-two".

Divisors: 1 2 13 26 169 338 243709 487418 3168217 6336434 41186821 82373642