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1342443205 = 5299258229
BaseRepresentation
bin101000000000100…
…0000111011000101
310110120001011212201
41100001000323011
510222131140310
6341113114501
745160402405
oct12001007305
93416034781
101342443205
116298574a4
123156b8a31
131851788bc
14ca40c805
157ccc5e3a
hex50040ec5

1342443205 has 8 divisors (see below), whose sum is σ = 1666481400. Its totient is φ = 1036921536.

The previous prime is 1342443203. The next prime is 1342443211. The reversal of 1342443205 is 5023442431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3541924 + 1338901281 = 1882^2 + 36591^2 .

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 1342443205 - 21 = 1342443203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342443203) 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, 4628970 + ... + 4629259.

It is an arithmetic number, because the mean of its divisors is an integer number (208310175).

Almost surely, 21342443205 is an apocalyptic number.

It is an amenable number.

1342443205 is a deficient number, since it is larger than the sum of its proper divisors (324038195).

1342443205 is an equidigital number, since it uses as much as digits as its factorization.

1342443205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258263.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1342443205 is about 36639.3668749884. The cubic root of 1342443205 is about 1103.1434067822.

Adding to 1342443205 its reverse (5023442431), we get a palindrome (6365885636).

The spelling of 1342443205 in words is "one billion, three hundred forty-two million, four hundred forty-three thousand, two hundred five".

Divisors: 1 5 29 145 9258229 46291145 268488641 1342443205