[go: up one dir, main page]

Search a number
-
+
1305093 = 34367151
BaseRepresentation
bin100111110101000000101
32110022020210
410332220011
5313230333
643550033
714043636
oct4765005
92408223
101305093
11811599
1252b319
1336905a
1425d88d
151aba63
hex13ea05

1305093 has 16 divisors (see below), whose sum is σ = 1819136. Its totient is φ = 831600.

The previous prime is 1305061. The next prime is 1305097. The reversal of 1305093 is 3905031.

It is not a de Polignac number, because 1305093 - 25 = 1305061 is a prime.

It is a Duffinian number.

1305093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305097) 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, 8568 + ... + 8718.

It is an arithmetic number, because the mean of its divisors is an integer number (113696).

21305093 is an apocalyptic number.

It is an amenable number.

1305093 is a deficient number, since it is larger than the sum of its proper divisors (514043).

1305093 is a wasteful number, since it uses less digits than its factorization.

1305093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1305093 is about 1142.4066701486. The cubic root of 1305093 is about 109.2816273042.

The spelling of 1305093 in words is "one million, three hundred five thousand, ninety-three".

Divisors: 1 3 43 67 129 151 201 453 2881 6493 8643 10117 19479 30351 435031 1305093