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825801034 = 2412900517
BaseRepresentation
bin110001001110001…
…011100101001010
32010112220001001111
4301032023211022
53142401113114
6213535440534
726315123122
oct6116134512
92115801044
10825801034
113941635a3
121b068614a
13102117886
147b963c82
154c771bc4
hex3138b94a

825801034 has 4 divisors (see below), whose sum is σ = 1238701554. Its totient is φ = 412900516.

The previous prime is 825801029. The next prime is 825801037. The reversal of 825801034 is 430108528.

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

It can be written as a sum of positive squares in only one way, i.e., 792704025 + 33097009 = 28155^2 + 5753^2 .

It is a super-5 number, since 5×8258010345 (a number of 46 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 825800987 and 825801005.

It is not an unprimeable number, because it can be changed into a prime (825801037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206450257 + ... + 206450260.

Almost surely, 2825801034 is an apocalyptic number.

825801034 is a deficient number, since it is larger than the sum of its proper divisors (412900520).

825801034 is a wasteful number, since it uses less digits than its factorization.

825801034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412900519.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 825801034 is about 28736.7540616542. The cubic root of 825801034 is about 938.1921772746.

The spelling of 825801034 in words is "eight hundred twenty-five million, eight hundred one thousand, thirty-four".

Divisors: 1 2 412900517 825801034