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804425245 = 51312375773
BaseRepresentation
bin101111111100101…
…000111000011101
32002001200000222121
4233330220320131
53121413101440
6211453342541
725635334051
oct5774507035
92061600877
10804425245
11383093658
121a5497a51
13ca872190
1478b9bc61
154a94d34a
hex2ff28e1d

804425245 has 8 divisors (see below), whose sum is σ = 1039565016. Its totient is φ = 594037056.

The previous prime is 804425233. The next prime is 804425267. The reversal of 804425245 is 542524408.

It can be written as a sum of positive squares in 4 ways, for example, as 122014116 + 682411129 = 11046^2 + 26123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 804425245 - 219 = 803900957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 804425245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6187822 + ... + 6187951.

It is an arithmetic number, because the mean of its divisors is an integer number (129945627).

Almost surely, 2804425245 is an apocalyptic number.

It is an amenable number.

804425245 is a deficient number, since it is larger than the sum of its proper divisors (235139771).

804425245 is a wasteful number, since it uses less digits than its factorization.

804425245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12375791.

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 804425245 is about 28362.3913836616. The cubic root of 804425245 is about 930.0263009481.

The spelling of 804425245 in words is "eight hundred four million, four hundred twenty-five thousand, two hundred forty-five".

Divisors: 1 5 13 65 12375773 61878865 160885049 804425245