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342161243 = 2391431637
BaseRepresentation
bin10100011001001…
…111011101011011
3212211211120222122
4110121033131123
51200043124433
653541411455
711323215434
oct2431173533
9784746878
10342161243
11166160896
1296709b8b
1355b70298
143362a48b
152008b198
hex1464f75b

342161243 has 4 divisors (see below), whose sum is σ = 343593120. Its totient is φ = 340729368.

The previous prime is 342161231. The next prime is 342161249.

342161243 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342161243 - 210 = 342160219 is a prime.

It is a super-2 number, since 2×3421612432 = 234148632422610098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342161249) 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 3 ways as a sum of consecutive naturals, for example, 715580 + ... + 716057.

It is an arithmetic number, because the mean of its divisors is an integer number (85898280).

Almost surely, 2342161243 is an apocalyptic number.

342161243 is a deficient number, since it is larger than the sum of its proper divisors (1431877).

342161243 is a wasteful number, since it uses less digits than its factorization.

342161243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431876.

The product of its digits is 3456, while the sum is 26.

The square root of 342161243 is about 18497.6010066170. The cubic root of 342161243 is about 699.4289512811.

The spelling of 342161243 in words is "three hundred forty-two million, one hundred sixty-one thousand, two hundred forty-three".

Divisors: 1 239 1431637 342161243