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1342354757 = 2724149277
BaseRepresentation
bin101000000000010…
…1011010101000101
310110112212200112212
41100000223111011
510222120323012
6341111153205
745156553502
oct12000532505
93415780485
101342354757
116297a6aa7
12315675805
13185147573
14ca3c84a9
157cca9b22
hex5002b545

1342354757 has 4 divisors (see below), whose sum is σ = 1342431276. Its totient is φ = 1342278240.

The previous prime is 1342354753. The next prime is 1342354763. The reversal of 1342354757 is 7574532431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1230185476 + 112169281 = 35074^2 + 10591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342354757 - 22 = 1342354753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342354753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603 + ... + 51879.

It is an arithmetic number, because the mean of its divisors is an integer number (335607819).

Almost surely, 21342354757 is an apocalyptic number.

It is an amenable number.

1342354757 is a deficient number, since it is larger than the sum of its proper divisors (76519).

1342354757 is an equidigital number, since it uses as much as digits as its factorization.

1342354757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76518.

The product of its digits is 352800, while the sum is 41.

The square root of 1342354757 is about 36638.1598473504. The cubic root of 1342354757 is about 1103.1191790730.

The spelling of 1342354757 in words is "one billion, three hundred forty-two million, three hundred fifty-four thousand, seven hundred fifty-seven".

Divisors: 1 27241 49277 1342354757