Search a number
-
+
82907633 = 731135721
BaseRepresentation
bin1001111000100…
…01000111110001
312210000010220002
410330101013301
5132211021013
612120555345
72024463134
oct474210761
9183003802
1082907633
1142887806
1223922b55
131423a993
14b02221b
15742a358
hex4f111f1

82907633 has 4 divisors (see below), whose sum is σ = 84043428. Its totient is φ = 81771840.

The previous prime is 82907611. The next prime is 82907641. The reversal of 82907633 is 33670928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67043344 + 15864289 = 8188^2 + 3983^2 .

It is a cyclic number.

It is not a de Polignac number, because 82907633 - 210 = 82906609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82907603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567788 + ... + 567933.

It is an arithmetic number, because the mean of its divisors is an integer number (21010857).

Almost surely, 282907633 is an apocalyptic number.

It is an amenable number.

82907633 is a deficient number, since it is larger than the sum of its proper divisors (1135795).

82907633 is a wasteful number, since it uses less digits than its factorization.

82907633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135794.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 82907633 is about 9105.3628703089. The cubic root of 82907633 is about 436.0451952841.

The spelling of 82907633 in words is "eighty-two million, nine hundred seven thousand, six hundred thirty-three".

Divisors: 1 73 1135721 82907633