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343242145 = 572794427
BaseRepresentation
bin10100011101010…
…111010110100001
3212220212111201001
4110131113112201
51200332222040
654020512001
711335336651
oct2435272641
9786774631
10343242145
111668299a4
1296b4b601
135615b27c
143382c361
152020159a
hex147575a1

343242145 has 8 divisors (see below), whose sum is σ = 412461504. Its totient is φ = 274213104.

The previous prime is 343242143. The next prime is 343242149. The reversal of 343242145 is 541242343.

It is a happy number.

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 343242145 - 21 = 343242143 is a prime.

It is a super-4 number, since 4×3432421454 (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343242143) 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, 43579 + ... + 50848.

It is an arithmetic number, because the mean of its divisors is an integer number (51557688).

Almost surely, 2343242145 is an apocalyptic number.

It is an amenable number.

343242145 is a deficient number, since it is larger than the sum of its proper divisors (69219359).

343242145 is an equidigital number, since it uses as much as digits as its factorization.

343242145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95159.

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

The square root of 343242145 is about 18526.7953246102. The cubic root of 343242145 is about 700.1646857419.

Adding to 343242145 its reverse (541242343), we get a palindrome (884484488).

The spelling of 343242145 in words is "three hundred forty-three million, two hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 727 3635 94427 472135 68648429 343242145