Search a number
-
+
126140343 = 3729207127
BaseRepresentation
bin1111000010010…
…11111110110111
322210100121000120
413201023332313
5224242442333
620303343023
73061114050
oct741137667
9283317016
10126140343
116522611a
12362b1a73
1320196a74
1412a77727
15b119db3
hex784bfb7

126140343 has 16 divisors (see below), whose sum is σ = 198842880. Its totient is φ = 69594336.

The previous prime is 126140341. The next prime is 126140347. The reversal of 126140343 is 343041621.

It is not a de Polignac number, because 126140343 - 21 = 126140341 is a prime.

It is a super-2 number, since 2×1261403432 = 31822772264315298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126140341) 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, 102955 + ... + 104172.

It is an arithmetic number, because the mean of its divisors is an integer number (12427680).

Almost surely, 2126140343 is an apocalyptic number.

126140343 is a deficient number, since it is larger than the sum of its proper divisors (72702537).

126140343 is a wasteful number, since it uses less digits than its factorization.

126140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207166.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 126140343 is about 11231.2217946223. The cubic root of 126140343 is about 501.5158570440.

Adding to 126140343 its reverse (343041621), we get a palindrome (469181964).

The spelling of 126140343 in words is "one hundred twenty-six million, one hundred forty thousand, three hundred forty-three".

Divisors: 1 3 7 21 29 87 203 609 207127 621381 1449889 4349667 6006683 18020049 42046781 126140343