Search a number
-
+
1342606231 = 10113293131
BaseRepresentation
bin101000000000110…
…1000101110010111
310110120100110111201
41100001220232113
510222201344411
6341120413331
745161651611
oct12001505627
93416313451
101342606231
11629958a2a
12315777247
13185204b75
14ca451db1
157cd093c1
hex50068b97

1342606231 has 4 divisors (see below), whose sum is σ = 1355899464. Its totient is φ = 1329313000.

The previous prime is 1342606171. The next prime is 1342606241. The reversal of 1342606231 is 1326062431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1326062431 = 10113129331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1342606231 is a prime.

It is a super-2 number, since 2×13426062312 = 3605182983040050722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342606231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342606241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6646465 + ... + 6646666.

It is an arithmetic number, because the mean of its divisors is an integer number (338974866).

Almost surely, 21342606231 is an apocalyptic number.

1342606231 is a deficient number, since it is larger than the sum of its proper divisors (13293233).

1342606231 is a wasteful number, since it uses less digits than its factorization.

1342606231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293232.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1342606231 is about 36641.5915456739. The cubic root of 1342606231 is about 1103.1880601369.

Adding to 1342606231 its reverse (1326062431), we get a palindrome (2668668662).

The spelling of 1342606231 in words is "one billion, three hundred forty-two million, six hundred six thousand, two hundred thirty-one".

Divisors: 1 101 13293131 1342606231