Search a number
-
+
6243343505 = 57434148401
BaseRepresentation
bin1011101000010000…
…11101110010010001
3121010002221201012122
411310020131302101
5100241243443010
62511304304025
7310500354440
oct56410356221
917102851178
106243343505
112714228423
121262a72015
1378661a6c9
14433274d57
152681a4855
hex17421dc91

6243343505 has 16 divisors (see below), whose sum is σ = 8761425024. Its totient is φ = 4181587200.

The previous prime is 6243343501. The next prime is 6243343507. The reversal of 6243343505 is 5053433426.

It is not a de Polignac number, because 6243343505 - 22 = 6243343501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6243343501) 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, 2072696 + ... + 2075705.

It is an arithmetic number, because the mean of its divisors is an integer number (547589064).

Almost surely, 26243343505 is an apocalyptic number.

It is an amenable number.

6243343505 is a deficient number, since it is larger than the sum of its proper divisors (2518081519).

6243343505 is a wasteful number, since it uses less digits than its factorization.

6243343505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148456.

The product of its (nonzero) digits is 129600, while the sum is 35.

The square root of 6243343505 is about 79014.8309179992. The cubic root of 6243343505 is about 1841.3615773656.

The spelling of 6243343505 in words is "six billion, two hundred forty-three million, three hundred forty-three thousand, five hundred five".

Divisors: 1 5 7 35 43 215 301 1505 4148401 20742005 29038807 145194035 178381243 891906215 1248668701 6243343505