Search a number
-
+
1078385133 = 3771723263
BaseRepresentation
bin100000001000110…
…1101100111101101
32210011011122022010
41000101231213231
54202031311013
6255001311433
735503056660
oct10021554755
92704148263
101078385133
115037a1791
12261195579
13142553517
14a33136d7
1564a167c3
hex4046d9ed

1078385133 has 16 divisors (see below), whose sum is σ = 1666400256. Its totient is φ = 607540080.

The previous prime is 1078385129. The next prime is 1078385137. The reversal of 1078385133 is 3315838701.

It is an interprime number because it is at equal distance from previous prime (1078385129) and next prime (1078385137).

It is not a de Polignac number, because 1078385133 - 22 = 1078385129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1078385091 and 1078385100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078385137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360141 + ... + 363122.

It is an arithmetic number, because the mean of its divisors is an integer number (104150016).

Almost surely, 21078385133 is an apocalyptic number.

It is an amenable number.

1078385133 is a deficient number, since it is larger than the sum of its proper divisors (588015123).

1078385133 is an equidigital number, since it uses as much as digits as its factorization.

1078385133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723344.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1078385133 is about 32838.7748401185. The cubic root of 1078385133 is about 1025.4739455637.

The spelling of 1078385133 in words is "one billion, seventy-eight million, three hundred eighty-five thousand, one hundred thirty-three".

Divisors: 1 3 7 21 71 213 497 1491 723263 2169789 5062841 15188523 51351673 154055019 359461711 1078385133