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345612142 = 21710165063
BaseRepresentation
bin10100100110011…
…001111101101110
3220002022220201201
4110212121331232
51201434042032
654143400114
711364440401
oct2446317556
9802286651
10345612142
111680a8577
12978b303a
13567aac35
1433c87d38
152051d8e7
hex14999f6e

345612142 has 8 divisors (see below), whose sum is σ = 548913456. Its totient is φ = 162640992.

The previous prime is 345612139. The next prime is 345612143. The reversal of 345612142 is 241216543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 345612142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345612143) 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, 5082498 + ... + 5082565.

It is an arithmetic number, because the mean of its divisors is an integer number (68614182).

Almost surely, 2345612142 is an apocalyptic number.

345612142 is a deficient number, since it is larger than the sum of its proper divisors (203301314).

345612142 is a wasteful number, since it uses less digits than its factorization.

345612142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165082.

The product of its digits is 5760, while the sum is 28.

The square root of 345612142 is about 18590.6466267314. The cubic root of 345612142 is about 701.7724754599.

Adding to 345612142 its reverse (241216543), we get a palindrome (586828685).

The spelling of 345612142 in words is "three hundred forty-five million, six hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 17 34 10165063 20330126 172806071 345612142