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812349601 = 7116049943
BaseRepresentation
bin110000011010110…
…111100010100001
32002121120122011021
4300122313202201
53130430141401
6212335245441
726062600120
oct6032674241
92077518137
10812349601
11387606308
121a8079881
13cc3b804b
1479c61ab7
154b4b62a1
hex306b78a1

812349601 has 4 divisors (see below), whose sum is σ = 928399552. Its totient is φ = 696299652.

The previous prime is 812349533. The next prime is 812349619. The reversal of 812349601 is 106943218.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-812349601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812340601) 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, 58024965 + ... + 58024978.

It is an arithmetic number, because the mean of its divisors is an integer number (232099888).

Almost surely, 2812349601 is an apocalyptic number.

It is an amenable number.

812349601 is a deficient number, since it is larger than the sum of its proper divisors (116049951).

812349601 is a wasteful number, since it uses less digits than its factorization.

812349601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116049950.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 812349601 is about 28501.7473324005. The cubic root of 812349601 is about 933.0702096570.

The spelling of 812349601 in words is "eight hundred twelve million, three hundred forty-nine thousand, six hundred one".

Divisors: 1 7 116049943 812349601