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82240033 = 174837649
BaseRepresentation
bin1001110011011…
…10001000100001
312201202020010011
410321232020201
5132023140113
612054404521
72016012601
oct471561041
9181666104
1082240033
1142471177
1223660741
1314065b55
14accac01
15734763d
hex4e6e221

82240033 has 4 divisors (see below), whose sum is σ = 87077700. Its totient is φ = 77402368.

The previous prime is 82240013. The next prime is 82240049. The reversal of 82240033 is 33004228.

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 48052624 + 34187409 = 6932^2 + 5847^2 .

It is a cyclic number.

It is not a de Polignac number, because 82240033 - 25 = 82240001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82239986 and 82240013.

It is not an unprimeable number, because it can be changed into a prime (82240003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418808 + ... + 2418841.

It is an arithmetic number, because the mean of its divisors is an integer number (21769425).

Almost surely, 282240033 is an apocalyptic number.

It is an amenable number.

82240033 is a deficient number, since it is larger than the sum of its proper divisors (4837667).

82240033 is a wasteful number, since it uses less digits than its factorization.

82240033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837666.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 82240033 is about 9068.6290584630. The cubic root of 82240033 is about 434.8716457524.

The spelling of 82240033 in words is "eighty-two million, two hundred forty thousand, thirty-three".

Divisors: 1 17 4837649 82240033