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1368085946 = 2684042973
BaseRepresentation
bin101000110001011…
…0101010110111010
310112100021222002212
41101202311112322
510300212222241
6343430455122
745621352523
oct12142652672
93470258085
101368085946
11642281247
123222044a2
1318a586516
14cd9a584a
158018dbeb
hex518b55ba

1368085946 has 4 divisors (see below), whose sum is σ = 2052128922. Its totient is φ = 684042972.

The previous prime is 1368085921. The next prime is 1368085967. The reversal of 1368085946 is 6495808631.

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., 1273704721 + 94381225 = 35689^2 + 9715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1368085894 and 1368085903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342021485 + ... + 342021488.

Almost surely, 21368085946 is an apocalyptic number.

1368085946 is a deficient number, since it is larger than the sum of its proper divisors (684042976).

1368085946 is an equidigital number, since it uses as much as digits as its factorization.

1368085946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684042975.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 1368085946 is about 36987.6458564208. The cubic root of 1368085946 is about 1110.1230678146.

The spelling of 1368085946 in words is "one billion, three hundred sixty-eight million, eighty-five thousand, nine hundred forty-six".

Divisors: 1 2 684042973 1368085946