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1340220301 = 7433442171
BaseRepresentation
bin100111111100010…
…0010001110001101
310110101212020121221
41033320202032031
510221044022201
6340553323341
745132453550
oct11770421615
93411766557
101340220301
11628579392
12314a06551
1318487ab84
14c9dd0697
157c9d74a1
hex4fe2238d

1340220301 has 8 divisors (see below), whose sum is σ = 1535221184. Its totient is φ = 1146104640.

The previous prime is 1340220293. The next prime is 1340220311. The reversal of 1340220301 is 1030220431.

It is a happy number.

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 1340220301 - 23 = 1340220293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340220311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218055 + ... + 224116.

It is an arithmetic number, because the mean of its divisors is an integer number (191902648).

Almost surely, 21340220301 is an apocalyptic number.

It is an amenable number.

1340220301 is a deficient number, since it is larger than the sum of its proper divisors (195000883).

1340220301 is an equidigital number, since it uses as much as digits as its factorization.

1340220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442611.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1340220301 is about 36609.0193941329. The cubic root of 1340220301 is about 1102.5341850730.

Adding to 1340220301 its reverse (1030220431), we get a palindrome (2370440732).

The spelling of 1340220301 in words is "one billion, three hundred forty million, two hundred twenty thousand, three hundred one".

Divisors: 1 7 433 3031 442171 3095197 191460043 1340220301