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1340401301 = 13110232071
BaseRepresentation
bin100111111100100…
…1110011010010101
310110102012102220122
41033321032122111
510221120320201
6341001241325
745134136341
oct11771163225
93412172818
101340401301
11628692378
12314a93245
13184912385
14ca03a621
157ca20e1b
hex4fe4e695

1340401301 has 4 divisors (see below), whose sum is σ = 1350633504. Its totient is φ = 1330169100.

The previous prime is 1340401273. The next prime is 1340401327. The reversal of 1340401301 is 1031040431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1031040431 = 9291109839.

It is a cyclic number.

It is not a de Polignac number, because 1340401301 - 226 = 1273292437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340401301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340401351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5115905 + ... + 5116166.

It is an arithmetic number, because the mean of its divisors is an integer number (337658376).

Almost surely, 21340401301 is an apocalyptic number.

It is an amenable number.

1340401301 is a deficient number, since it is larger than the sum of its proper divisors (10232203).

1340401301 is a wasteful number, since it uses less digits than its factorization.

1340401301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232202.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1340401301 is about 36611.4913790739. The cubic root of 1340401301 is about 1102.5838161435.

Adding to 1340401301 its reverse (1031040431), we get a palindrome (2371441732).

The spelling of 1340401301 in words is "one billion, three hundred forty million, four hundred one thousand, three hundred one".

Divisors: 1 131 10232071 1340401301