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342746245 = 568549249
BaseRepresentation
bin10100011011011…
…110010010000101
3212212221022110101
4110123132102011
51200220334440
654002124101
711331203122
oct2433362205
9785838411
10342746245
11166520366
1296950631
135601663a
143373d749
152015469a
hex146de485

342746245 has 4 divisors (see below), whose sum is σ = 411295500. Its totient is φ = 274196992.

The previous prime is 342746237. The next prime is 342746303. The reversal of 342746245 is 542647243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542647243 = 1393903937.

It can be written as a sum of positive squares in 2 ways, for example, as 105801796 + 236944449 = 10286^2 + 15393^2 .

It is a cyclic number.

It is not a de Polignac number, because 342746245 - 23 = 342746237 is a prime.

It is a super-3 number, since 3×3427462453 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34274620 + ... + 34274629.

It is an arithmetic number, because the mean of its divisors is an integer number (102823875).

Almost surely, 2342746245 is an apocalyptic number.

It is an amenable number.

342746245 is a deficient number, since it is larger than the sum of its proper divisors (68549255).

342746245 is an equidigital number, since it uses as much as digits as its factorization.

342746245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68549254.

The product of its digits is 161280, while the sum is 37.

The square root of 342746245 is about 18513.4071688601. The cubic root of 342746245 is about 699.8273349642.

The spelling of 342746245 in words is "three hundred forty-two million, seven hundred forty-six thousand, two hundred forty-five".

Divisors: 1 5 68549249 342746245