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342021514 = 2171010757
BaseRepresentation
bin10100011000101…
…101010110001010
3212211120111022111
4110120231112022
51200024142024
653534412534
711322064162
oct2430552612
9784514274
10342021514
1116607590a
129666114a
1355b217c3
14335d15a2
152005ea94
hex1462d58a

342021514 has 4 divisors (see below), whose sum is σ = 513032274. Its totient is φ = 171010756.

The previous prime is 342021509. The next prime is 342021529. The reversal of 342021514 is 415120243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415120243 = 1861223063.

It can be written as a sum of positive squares in only one way, i.e., 266244489 + 75777025 = 16317^2 + 8705^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85505377 + ... + 85505380.

Almost surely, 2342021514 is an apocalyptic number.

342021514 is a deficient number, since it is larger than the sum of its proper divisors (171010760).

342021514 is a wasteful number, since it uses less digits than its factorization.

342021514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171010759.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 342021514 is about 18493.8236717019. The cubic root of 342021514 is about 699.3337292999. Note that the first 3 decimals are identical.

Adding to 342021514 its reverse (415120243), we get a palindrome (757141757).

The spelling of 342021514 in words is "three hundred forty-two million, twenty-one thousand, five hundred fourteen".

Divisors: 1 2 171010757 342021514