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1340204241 = 31259354833
BaseRepresentation
bin100111111100001…
…1110010011010001
310110101211102121010
41033320132103101
510221043013431
6340553121133
745132355665
oct11770362321
93411742533
101340204241
11628568312
123149b91a9
1318487377c
14c9dc88a5
157c9d2846
hex4fe1e4d1

1340204241 has 8 divisors (see below), whose sum is σ = 1788363360. Its totient is φ = 892757312.

The previous prime is 1340204233. The next prime is 1340204251. The reversal of 1340204241 is 1424020431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340204241 - 23 = 1340204233 is a prime.

It is a super-2 number, since 2×13402042412 = 3592294815188772162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340204251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173640 + ... + 181193.

It is an arithmetic number, because the mean of its divisors is an integer number (223545420).

Almost surely, 21340204241 is an apocalyptic number.

It is an amenable number.

1340204241 is a deficient number, since it is larger than the sum of its proper divisors (448159119).

1340204241 is a wasteful number, since it uses less digits than its factorization.

1340204241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356095.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1340204241 is about 36608.8000486222. The cubic root of 1340204241 is about 1102.5297811280.

Adding to 1340204241 its reverse (1424020431), we get a palindrome (2764224672).

The spelling of 1340204241 in words is "one billion, three hundred forty million, two hundred four thousand, two hundred forty-one".

Divisors: 1 3 1259 3777 354833 1064499 446734747 1340204241