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812704241 = 2385741231
BaseRepresentation
bin110000011100001…
…110000111110001
32002122020122122002
4300130032013301
53131023013431
6212351023345
726065605056
oct6034160761
92078218562
10812704241
113878287a8
121a820ab55
13cc4b05ab
1479d1502d
154b5363cb
hex3070e1f1

812704241 has 8 divisors (see below), whose sum is σ = 849049344. Its totient is φ = 776443360.

The previous prime is 812704231. The next prime is 812704303. The reversal of 812704241 is 142407218.

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 812704241 - 26 = 812704177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812704201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 40326.

It is an arithmetic number, because the mean of its divisors is an integer number (106131168).

Almost surely, 2812704241 is an apocalyptic number.

It is an amenable number.

812704241 is a deficient number, since it is larger than the sum of its proper divisors (36345103).

812704241 is a wasteful number, since it uses less digits than its factorization.

812704241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42111.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 812704241 is about 28507.9680265009. The cubic root of 812704241 is about 933.2059705318.

The spelling of 812704241 in words is "eight hundred twelve million, seven hundred four thousand, two hundred forty-one".

Divisors: 1 23 857 19711 41231 948313 35334967 812704241